900% is the change from 22 to 220
Calculation steps:
[( 220 - 22 ) ÷ 22] x 100 = 900%
Formula
Percentage change = [(220 - 22) / 22] x 100
Subtract the new number by the original number
220 - 22 = 198
198 ÷ 22 = 9
9 x 100 = 900%
Example