90100% is the change from 1 to 902
Calculation steps:
[( 902 - 1 ) ÷ 1] x 100 = 90100%
Formula
Percentage change = [(902 - 1) / 1] x 100
Subtract the new number by the original number
902 - 1 = 901
901 ÷ 1 = 901
901 x 100 = 90100%
Example