23.94% is the change from 330 to 409
Calculation steps:
[( 409 - 330 ) ÷ 330] x 100 = 23.94%
Formula
Percentage change = [(409 - 330) / 330] x 100
Subtract the new number by the original number
409 - 330 = 79
79 ÷ 330 = 0.23939393939393938
0.23939393939393938 x 100 = 23.94%