23.18% is the change from 220 to 271
Calculation steps:
[( 271 - 220 ) ÷ 220] x 100 = 23.18%
Formula
Percentage change = [(271 - 220) / 220] x 100
Subtract the new number by the original number
271 - 220 = 51
51 ÷ 220 = 0.2318181818181818
0.2318181818181818 x 100 = 23.18%