29.39% is the change from 330 to 427
Calculation steps:
[( 427 - 330 ) ÷ 330] x 100 = 29.39%
Formula
Percentage change = [(427 - 330) / 330] x 100
Subtract the new number by the original number
427 - 330 = 97
97 ÷ 330 = 0.29393939393939394
0.29393939393939394 x 100 = 29.39%