-87.23% is the change from 940 to 120
Calculation steps:
[( 120 - 940 ) ÷ 940] x 100 = -87.23%
Formula
Percentage change = [(120 - 940) / 940] x 100
Subtract the new number by the original number
120 - 940 = -820
-820 ÷ 940 = -0.8723404255319149
-0.8723404255319149 x 100 = -87.23%