7.33% is the change from 409 to 439
Calculation steps:
[( 439 - 409 ) ÷ 409] x 100 = 7.33%
Formula
Percentage change = [(439 - 409) / 409] x 100
Subtract the new number by the original number
439 - 409 = 30
30 ÷ 409 = 0.07334963325183375
0.07334963325183375 x 100 = 7.33%