24.32% is the change from 329 to 409
Calculation steps:
[( 409 - 329 ) ÷ 329] x 100 = 24.32%
Formula
Percentage change = [(409 - 329) / 329] x 100
Subtract the new number by the original number
409 - 329 = 80
80 ÷ 329 = 0.24316109422492402
0.24316109422492402 x 100 = 24.32%