-10.4% is the change from 856 to 767
Calculation steps:
[( 767 - 856 ) ÷ 856] x 100 = -10.4%
Formula
Percentage change = [(767 - 856) / 856] x 100
Subtract the new number by the original number
767 - 856 = -89
-89 ÷ 856 = -0.10397196261682243
-0.10397196261682243 x 100 = -10.4%