-25.45% is the change from 220 to 164
Calculation steps:
[( 164 - 220 ) ÷ 220] x 100 = -25.45%
Formula
Percentage change = [(164 - 220) / 220] x 100
Subtract the new number by the original number
164 - 220 = -56
-56 ÷ 220 = -0.2545454545454545
-0.2545454545454545 x 100 = -25.45%