-11.54% is the change from 936 to 828
Calculation steps:
[( 828 - 936 ) ÷ 936] x 100 = -11.54%
Formula
Percentage change = [(828 - 936) / 936] x 100
Subtract the new number by the original number
828 - 936 = -108
-108 ÷ 936 = -0.11538461538461539
-0.11538461538461539 x 100 = -11.54%