How To Calculate Percent Decrease Between Two Numbers. Multiply that answer by 100 and add a percentage sign to view your answer in percentage form. Both of these formulas will produce the same result when the numbers are positive.

Divide that amount by the absolute value of the starting value. Divide the decrease by the original number and multiply the answer by 100; .1 x 100 = 10% decrease*

How To Calculate Percent Change Between Two Numbers In Excel. Either choose to use percent increases and accept them for what they represent or just use absolute values. 0.125 x 100 = 12.5.

To calculate the percent change in excel, we need at least two numbers from different time periods. The percentage between the two values is simply calculated by taking the difference between two numbers and dividing it with the original number. The percentage of change between an original and a new value is defined as the difference between the original value and the new value, divided by the original value.