1111.11% is the change from 9 to 109
Calculation steps:
[( 109 - 9 ) ÷ 9] x 100 = 1111.11%
Formula
Percentage change = [(109 - 9) / 9] x 100
Subtract the new number by the original number
109 - 9 = 100
100 ÷ 9 = 11.11111111111111
11.11111111111111 x 100 = 1111.11%