1122.22% is the change from 18 to 220
Calculation steps:
[( 220 - 18 ) ÷ 18] x 100 = 1122.22%
Formula
Percentage change = [(220 - 18) / 18] x 100
Subtract the new number by the original number
220 - 18 = 202
202 ÷ 18 = 11.222222222222221
11.222222222222221 x 100 = 1122.22%