7.58% is the change from 409 to 440
Calculation steps:
[( 440 - 409 ) ÷ 409] x 100 = 7.58%
Formula
Percentage change = [(440 - 409) / 409] x 100
Subtract the new number by the original number
440 - 409 = 31
31 ÷ 409 = 0.07579462102689487
0.07579462102689487 x 100 = 7.58%