The percentage change between two numbers, an original number to a new number, calculated by these steps, first subtract the new number by the original number, then divided it by the original number, and finally multiply it by 100.
Formula:
What is the percentage of change from X to Y
Percentage = [( Y - X ) ÷ X ] x 100
Example:
Percent change from 50 to 70
[( 70 - 50 ) ÷ 50] x 100 = 40%
Example