-71.36% is the change from 220 to 63
Calculation steps:
[( 63 - 220 ) ÷ 220] x 100 = -71.36%
Formula
Percentage change = [(63 - 220) / 220] x 100
Subtract the new number by the original number
63 - 220 = -157
-157 ÷ 220 = -0.7136363636363636
-0.7136363636363636 x 100 = -71.36%