-25.91% is the change from 220 to 163
Calculation steps:
[( 163 - 220 ) ÷ 220] x 100 = -25.91%
Formula
Percentage change = [(163 - 220) / 220] x 100
Subtract the new number by the original number
163 - 220 = -57
-57 ÷ 220 = -0.2590909090909091
-0.2590909090909091 x 100 = -25.91%