-33.94% is the change from 221 to 146
Calculation steps:
[( 146 - 221 ) ÷ 221] x 100 = -33.94%
Formula
Percentage change = [(146 - 221) / 221] x 100
Subtract the new number by the original number
146 - 221 = -75
-75 ÷ 221 = -0.3393665158371041
-0.3393665158371041 x 100 = -33.94%