-8.5% is the change from 835 to 764
Calculation steps:
[( 764 - 835 ) ÷ 835] x 100 = -8.5%
Formula
Percentage change = [(764 - 835) / 835] x 100
Subtract the new number by the original number
764 - 835 = -71
-71 ÷ 835 = -0.08502994011976048
-0.08502994011976048 x 100 = -8.5%