8.5% is the change from 835 to 906
Calculation steps:
[( 906 - 835 ) ÷ 835] x 100 = 8.5%
Formula
Percentage change = [(906 - 835) / 835] x 100
Subtract the new number by the original number
906 - 835 = 71
71 ÷ 835 = 0.08502994011976048
0.08502994011976048 x 100 = 8.5%