10.35% is the change from 831 to 917
Calculation steps:
[( 917 - 831 ) ÷ 831] x 100 = 10.35%
Formula
Percentage change = [(917 - 831) / 831] x 100
Subtract the new number by the original number
917 - 831 = 86
86 ÷ 831 = 0.10348977135980746
0.10348977135980746 x 100 = 10.35%