831.31% is the change from 99 to 922
Calculation steps:
[( 922 - 99 ) ÷ 99] x 100 = 831.31%
Formula
Percentage change = [(922 - 99) / 99] x 100
Subtract the new number by the original number
922 - 99 = 823
823 ÷ 99 = 8.313131313131313
8.313131313131313 x 100 = 831.31%