-8.64% is the change from 856 to 782
Calculation steps:
[( 782 - 856 ) ÷ 856] x 100 = -8.64%
Formula
Percentage change = [(782 - 856) / 856] x 100
Subtract the new number by the original number
782 - 856 = -74
-74 ÷ 856 = -0.08644859813084112
-0.08644859813084112 x 100 = -8.64%