-8.37% is the change from 836 to 766
Calculation steps:
[( 766 - 836 ) ÷ 836] x 100 = -8.37%
Formula
Percentage change = [(766 - 836) / 836] x 100
Subtract the new number by the original number
766 - 836 = -70
-70 ÷ 836 = -0.08373205741626795
-0.08373205741626795 x 100 = -8.37%