-8.61% is the change from 836 to 764
Calculation steps:
[( 764 - 836 ) ÷ 836] x 100 = -8.61%
Formula
Percentage change = [(764 - 836) / 836] x 100
Subtract the new number by the original number
764 - 836 = -72
-72 ÷ 836 = -0.0861244019138756
-0.0861244019138756 x 100 = -8.61%