-7.66% is the change from 835 to 771
Calculation steps:
[( 771 - 835 ) ÷ 835] x 100 = -7.66%
Formula
Percentage change = [(771 - 835) / 835] x 100
Subtract the new number by the original number
771 - 835 = -64
-64 ÷ 835 = -0.07664670658682635
-0.07664670658682635 x 100 = -7.66%