-33.64% is the change from 220 to 146
Calculation steps:
[( 146 - 220 ) ÷ 220] x 100 = -33.64%
Formula
Percentage change = [(146 - 220) / 220] x 100
Subtract the new number by the original number
146 - 220 = -74
-74 ÷ 220 = -0.33636363636363636
-0.33636363636363636 x 100 = -33.64%