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what is the formula for percentage increase. If you want to calculate a percentage of a number in Excel simply multiply the percentage value by the number that you want the percentage of. Percent increase new old 100 - 100 where new is the newer quantity or measure and old is the older or original quantity or measure.
On the Home tab in the Number group apply a Percentage format. Percent increase new value - original valueoriginal value 100. An example using the formula is as follows.
Divide the increase by the original number and multiply the answer by 100.
For example if you want to calculate 25 of 50 multiply 25 by 50. For example if you want to increase the number 50 by 20 this can be done in Excel by typing the following formula into any Excel cell. As a result a 20 percent increase would be multiplied by 120 percent and a 15 percent increase would be 115 percent or 115. To calculate percentage increase start by writing down the starting value and the current value.