2222.22% is the change from 18 to 418
Calculation steps:
[( 418 - 18 ) ÷ 18] x 100 = 2222.22%
Formula
Percentage change = [(418 - 18) / 18] x 100
Subtract the new number by the original number
418 - 18 = 400
400 ÷ 18 = 22.22222222222222
22.22222222222222 x 100 = 2222.22%