7.09% is the change from 409 to 438
Calculation steps:
[( 438 - 409 ) ÷ 409] x 100 = 7.09%
Formula
Percentage change = [(438 - 409) / 409] x 100
Subtract the new number by the original number
438 - 409 = 29
29 ÷ 409 = 0.07090464547677261
0.07090464547677261 x 100 = 7.09%