122.22% is the change from 18 to 40
Calculation steps:
[( 40 - 18 ) ÷ 18] x 100 = 122.22%
Formula
Percentage change = [(40 - 18) / 18] x 100
Subtract the new number by the original number
40 - 18 = 22
22 ÷ 18 = 1.2222222222222223
1.2222222222222223 x 100 = 122.22%