2100% is the change from 11 to 242
Calculation steps:
[( 242 - 11 ) ÷ 11] x 100 = 2100%
Formula
Percentage change = [(242 - 11) / 11] x 100
Subtract the new number by the original number
242 - 11 = 231
231 ÷ 11 = 21
21 x 100 = 2100%
Example