2900% is the change from 11 to 330
Calculation steps:
[( 330 - 11 ) ÷ 11] x 100 = 2900%
Formula
Percentage change = [(330 - 11) / 11] x 100
Subtract the new number by the original number
330 - 11 = 319
319 ÷ 11 = 29
29 x 100 = 2900%
Example