8.54% is the change from 831 to 902
Calculation steps:
[( 902 - 831 ) ÷ 831] x 100 = 8.54%
Formula
Percentage change = [(902 - 831) / 831] x 100
Subtract the new number by the original number
902 - 831 = 71
71 ÷ 831 = 0.08543922984356198
0.08543922984356198 x 100 = 8.54%