38.48% is the change from 330 to 457
Calculation steps:
[( 457 - 330 ) ÷ 330] x 100 = 38.48%
Formula
Percentage change = [(457 - 330) / 330] x 100
Subtract the new number by the original number
457 - 330 = 127
127 ÷ 330 = 0.38484848484848483
0.38484848484848483 x 100 = 38.48%