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percentage of a number formula in excel. On the Home tab in the Number group click the. The math to determine a percentage is to divide the numerator the number on top of the fraction by the denominator the number on the bottom of the fraction then multiply the answer by 100.
To increase the amount by a percentage use the same formula but simply replace the Plus sign with a Minus sign -. Type the following formula into any Excel cell. The result is formatted with Percentage number format to show 25 10 etc.
The formula in parentheses calculates the percentage which the remainder of the formula subtracts from the original amount.
You can then increase or decrease the the decimical place as needed. To Excel the percent symbol is just formatting. First click into cell D2 so the percentage shows up in the Percentage column. Percentage of Total 1.