-9.13% is the change from 920 to 836
Calculation steps:
[( 836 - 920 ) ÷ 920] x 100 = -9.13%
Formula
Percentage change = [(836 - 920) / 920] x 100
Subtract the new number by the original number
836 - 920 = -84
-84 ÷ 920 = -0.09130434782608696
-0.09130434782608696 x 100 = -9.13%