-10.9% is the change from 936 to 834
Calculation steps:
[( 834 - 936 ) ÷ 936] x 100 = -10.9%
Formula
Percentage change = [(834 - 936) / 936] x 100
Subtract the new number by the original number
834 - 936 = -102
-102 ÷ 936 = -0.10897435897435898
-0.10897435897435898 x 100 = -10.9%