31.21% is the change from 330 to 433
Calculation steps:
[( 433 - 330 ) ÷ 330] x 100 = 31.21%
Formula
Percentage change = [(433 - 330) / 330] x 100
Subtract the new number by the original number
433 - 330 = 103
103 ÷ 330 = 0.31212121212121213
0.31212121212121213 x 100 = 31.21%