950% is the change from 90 to 945
Calculation steps:
[( 945 - 90 ) ÷ 90] x 100 = 950%
Formula
Percentage change = [(945 - 90) / 90] x 100
Subtract the new number by the original number
945 - 90 = 855
855 ÷ 90 = 9.5
9.5 x 100 = 950%
Example