572.22% is the change from 18 to 121
Calculation steps:
[( 121 - 18 ) ÷ 18] x 100 = 572.22%
Formula
Percentage change = [(121 - 18) / 18] x 100
Subtract the new number by the original number
121 - 18 = 103
103 ÷ 18 = 5.722222222222222
5.722222222222222 x 100 = 572.22%