-81.9% is the change from 232 to 42
Calculation steps:
[( 42 - 232 ) ÷ 232] x 100 = -81.9%
Formula
Percentage change = [(42 - 232) / 232] x 100
Subtract the new number by the original number
42 - 232 = -190
-190 ÷ 232 = -0.8189655172413793
-0.8189655172413793 x 100 = -81.9%