42.42% is the change from 330 to 470
Calculation steps:
[( 470 - 330 ) ÷ 330] x 100 = 42.42%
Formula
Percentage change = [(470 - 330) / 330] x 100
Subtract the new number by the original number
470 - 330 = 140
140 ÷ 330 = 0.42424242424242425
0.42424242424242425 x 100 = 42.42%