-33.18% is the change from 220 to 147
Calculation steps:
[( 147 - 220 ) ÷ 220] x 100 = -33.18%
Formula
Percentage change = [(147 - 220) / 220] x 100
Subtract the new number by the original number
147 - 220 = -73
-73 ÷ 220 = -0.33181818181818185
-0.33181818181818185 x 100 = -33.18%