2122.22% is the change from 9 to 200
Calculation steps:
[( 200 - 9 ) ÷ 9] x 100 = 2122.22%
Formula
Percentage change = [(200 - 9) / 9] x 100
Subtract the new number by the original number
200 - 9 = 191
191 ÷ 9 = 21.22222222222222
21.22222222222222 x 100 = 2122.22%