# How to write a formula for percentages

Click the cell, or press the arrow keys to move to the cell.

As you probably remember from high school math class, a percentage is a fraction of that is calculated by dividing the numerator by the denominator and multiplying the result by The basic percentage formula is as follows: This is how you normally calculate percentages in school and everyday life.

Computing percentage in Microsoft Excel is even easier since Excel performs some operations for you automatically, in the background. Regrettably, there is no universal Excel formula for percentage that would cover all possible scenarios. If you ask someone "Which percent formula do I use to get the result I want?

Basic Excel percentage formula The basic formula to calculate percentage in Excel is this: When calculating a percent in Excel, you do not have to multiply the resulting fraction by since Excel does this automatically when the percentage format is applied to a cell.

And now, let's see how you can use the Excel percentage formula on real-life data. Suppose, you have the number of "Ordered items" in column B and "Delivered items" in column C.

To find out the percentage of delivered products, perform the following steps: Remember to increase the number of decimal places if needed, as explained in Percentage tips. The same sequence of steps shall be performed when using any other percentage formula in Excel.

In the following example, column D displays a rounded percent of delivered items, without any decimal places showing.

Calculating percentage of total in Excel In fact, the above example is a particular case of calculating percentages of a total. Now, let's investigate a few more examples that will help you make quick work of calculating a percent of a total in Excel on different data sets. The total is at the end of the table in a certain cell A very common scenario is when you have a total in a single cell at the end of a table.

The dollar sign fixes the reference to a given cell, so that it never changes no matter where the formula is copied. For example, if you have some values in column B and their total in cell B10, you'd use the following formula to calculate percentages of the total: The screenshot below demonstrates the results returned by the formula, the Percentages of Total column is formatted as percentage with 2 decimal places showing.

Parts of the total are in multiple rows In the above example, suppose you have several rows for the same product and you want to know what part of the total is made by all orders of that particular product.

In this case, you can use the SUMIF function to add up all numbers relating to a given product first, and then divide that number by the total, like this: For example, the following formula calculates the percent of cherries and apples: Considering the above, our Excel formula for percentage change takes the following shape: Calculating percent change between 2 columns Suppose that you have the last month prices in column B and this month prices in column C.

Then you can enter the following formula in cell D2 to calculate percentage change in your Excel sheet: After copying the formula to other rows, remember to click the Percent Style button on the ribbon to display decimals as percentages and you will get a result similar to what you see in the screenshot below.

In this example, positive percentages that show percentage increase are formatted in usual black, while the negative percentages percent decrease are formatted in red by using the technique explained in this tip. Calculating percentage change between rows In case you have one column of numbers, say column C that lists weekly or monthly sales, you can calculate percentage change using this formula: Please pay attention that you should skip the first row with data and put your Excel percentage formula into the 2nd cell, which is D3 in this example.

After applying the percent format to the column with the percent change formula, you will get the following result: Calculating amount and total by percentage As you've just seen, calculating percentages in Excel is easy, and so is calculating amounts and totals if you know the percentage.

The question is - how much do you have to pay on top of the net price?

The following formula will help: Naturally, you are free to use the decimal number corresponding to the percentage directly in a formula if this works better for your worksheets. You want to know what the original price was. Now you need the formula to calculate the original price, i.

The formula goes as follows: You may want to consider different options to find out your optimum weekly allowance. To increase an amount by a percentage, use this formula:(Revised August ) One of the benefits due credited writers under the Writers Guild Minimum Basic Agreement and the Public TV Freelance Agreement is compensation for the reuse of their material.

The empirical formula of a chemical compound gives the ratio of elements, using subscripts to indicate the number of each atom. It's also known as the simplest formula. Here is how to find the empirical formula, with an example: You can find the empirical formula of a compound using percent.

How to calculate percentage in Excel - formula examples by Svetlana Cheusheva | updated on June 28, Comments In this tutorial, you will lean a quick way to calculate percentages in Excel, find the basic percentage formula and a few more formulas for calculating percentage increase, percent of .

The formula for calculating percentages or for converting from percentages are relatively simple.

## Comparing Empirical Formula and Molecular Formula

To convert a fraction or decimal to a percentage, multiply by To convert a percentage to a fraction, divide by and reduce the fraction (if possible). closed as not constructive by LittleBobbyTables, madth3, Eilon, EdChum, Sgoettschkes Apr 6 '13 at As it currently stands, this question is not a good fit for our Q&A format.

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Formula for Percentage