-76.5% is the change from 936 to 220
Calculation steps:
[( 220 - 936 ) ÷ 936] x 100 = -76.5%
Formula
Percentage change = [(220 - 936) / 936] x 100
Subtract the new number by the original number
220 - 936 = -716
-716 ÷ 936 = -0.7649572649572649
-0.7649572649572649 x 100 = -76.5%