121.82% is the change from 220 to 488
Calculation steps:
[( 488 - 220 ) ÷ 220] x 100 = 121.82%
Formula
Percentage change = [(488 - 220) / 220] x 100
Subtract the new number by the original number
488 - 220 = 268
268 ÷ 220 = 1.2181818181818183
1.2181818181818183 x 100 = 121.82%