7.35% is the change from 408 to 438
Calculation steps:
[( 438 - 408 ) ÷ 408] x 100 = 7.35%
Formula
Percentage change = [(438 - 408) / 408] x 100
Subtract the new number by the original number
438 - 408 = 30
30 ÷ 408 = 0.07352941176470588
0.07352941176470588 x 100 = 7.35%