-81.36% is the change from 220 to 41
Calculation steps:
[( 41 - 220 ) ÷ 220] x 100 = -81.36%
Formula
Percentage change = [(41 - 220) / 220] x 100
Subtract the new number by the original number
41 - 220 = -179
-179 ÷ 220 = -0.8136363636363636
-0.8136363636363636 x 100 = -81.36%