912.5% is the change from 88 to 891
Calculation steps:
[( 891 - 88 ) ÷ 88] x 100 = 912.5%
Formula
Percentage change = [(891 - 88) / 88] x 100
Subtract the new number by the original number
891 - 88 = 803
803 ÷ 88 = 9.125
9.125 x 100 = 912.5%
Example