-23.18% is the change from 220 to 169
Calculation steps:
[( 169 - 220 ) ÷ 220] x 100 = -23.18%
Formula
Percentage change = [(169 - 220) / 220] x 100
Subtract the new number by the original number
169 - 220 = -51
-51 ÷ 220 = -0.2318181818181818
-0.2318181818181818 x 100 = -23.18%