-78.18% is the change from 220 to 48
Calculation steps:
[( 48 - 220 ) ÷ 220] x 100 = -78.18%
Formula
Percentage change = [(48 - 220) / 220] x 100
Subtract the new number by the original number
48 - 220 = -172
-172 ÷ 220 = -0.7818181818181819
-0.7818181818181819 x 100 = -78.18%