18.18% is the change from 220 to 260
Calculation steps:
[( 260 - 220 ) ÷ 220] x 100 = 18.18%
Formula
Percentage change = [(260 - 220) / 220] x 100
Subtract the new number by the original number
260 - 220 = 40
40 ÷ 220 = 0.18181818181818182
0.18181818181818182 x 100 = 18.18%