831.96% is the change from 97 to 904
Calculation steps:
[( 904 - 97 ) ÷ 97] x 100 = 831.96%
Formula
Percentage change = [(904 - 97) / 97] x 100
Subtract the new number by the original number
904 - 97 = 807
807 ÷ 97 = 8.31958762886598
8.31958762886598 x 100 = 831.96%