-13.35% is the change from 936 to 811
Calculation steps:
[( 811 - 936 ) ÷ 936] x 100 = -13.35%
Formula
Percentage change = [(811 - 936) / 936] x 100
Subtract the new number by the original number
811 - 936 = -125
-125 ÷ 936 = -0.13354700854700854
-0.13354700854700854 x 100 = -13.35%