-11.22% is the change from 936 to 831
Calculation steps:
[( 831 - 936 ) ÷ 936] x 100 = -11.22%
Formula
Percentage change = [(831 - 936) / 936] x 100
Subtract the new number by the original number
831 - 936 = -105
-105 ÷ 936 = -0.11217948717948718
-0.11217948717948718 x 100 = -11.22%