10022.22% is the change from 9 to 911
Calculation steps:
[( 911 - 9 ) ÷ 9] x 100 = 10022.22%
Formula
Percentage change = [(911 - 9) / 9] x 100
Subtract the new number by the original number
911 - 9 = 902
902 ÷ 9 = 100.22222222222223
100.22222222222223 x 100 = 10022.22%