The number after is is always the part. The formulas below are all mathematical variations of this formula. The change in value is divided by the original value and then multiplied by 100.
Sometimes to know the discounts change the change in prices of products or income percentage change formula comes in handy.
Mathematically it is represented as. Take an example if you had 10 strawberries and you ate 2 then you have consumed 20 percent of strawberries out of all and left with 80 percent of the things. To calculate the percent change in excel we need at least two numbers from different time periods. Percentage Change Old Number New NumberOld Number 100.