900% is the change from 11 to 110
Calculation steps:
[( 110 - 11 ) ÷ 11] x 100 = 900%
Formula
Percentage change = [(110 - 11) / 11] x 100
Subtract the new number by the original number
110 - 11 = 99
99 ÷ 11 = 9
9 x 100 = 900%
Example