## How to Calculate Percentage Difference in Excel?

Calculating the change among the various percentage in excel is easy. Below are examples of the percentage difference.

#### Example #1 – Percentage Increase/Decrease in Excel among the Columns.

- Given below is the data to find the increase/decrease of percentage among the columns.

- The change in the percentage of column 1 in excel can be easily calculated by using the difference function.

- Now drag the plus sign to get the change in the percentage of all columns in excel.

- If the resulting value is not formatted as a percentage then we can format that cell and get the value in percentage. For formatting go to the home tab>Numbers>percentage.

- If we do not need the decimal in percentage then we can also choose to hide them. Use the format cell option

- In the Format Cell window turn the decimal count to zero instead of 2.This will turn the decimal points off for the percentages.

#### Example #2 – Percentage Change among the Rows

In this case, we will calculate the change in data if the data is presented vertically.

- Insert the function in given below data that will calculate the percentage for prior row value and then subtract the resultant value from the percentage of next value.

- Use the following formula to calculate the difference –

“Value of prior row/Total value – value of next row/total value”

- Now drag the plus sign to get the difference of all the rows.

- The next step is to format the result as a percentage from the format cell option. For that First select cells from the difference column and right-click on them and select format cells option.

- In format cell window select percentage and change decimal to zero.

- Then the result will look like the following.

#### Example #3 – Output reduced by a certain Percentage.

Not only we can calculate the change between two percentages but we can also calculate the amount that will result if there is a certain percentage decrease.

- Use the following data to see the reduction in output by a certain percentage.

- Develop a formula that will reduce the amount by said percentage. The formula will be as below.

Amount*(1-reduction required)

- Reduction in the output by a certain percentage for all values will be as follows –

#### Example #4 – Percentage Increase / Decrease Between Two Numbers

We can also show the change between two amounts as a percentage in excel.

This means that we can choose to show that by how much percentage the amount has reduced.

- Use the following data to find a percentage difference between the two numbers.

- Develop a function that will calculate the change and then calculate the percentage. The formula will be as below.

(New amount-Old amount)/Old amount.

- The percentage difference between two numbers will be –

**Things to remember**

- If we subtract two percentages then the result will be a percentage.
- If we are formatting a cell as a percentage then the value of the cell first needs to be divided by 100
- Typing .20 or 20 in a cell that is formatted as a percentage will give the same result as 20%
- If we insert a value that is less than 1 in a cell that is to be formatted as a percentage then, excel will automatically multiply it with 100.

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