8.13% is the change from 406 to 439
Calculation steps:
[( 439 - 406 ) ÷ 406] x 100 = 8.13%
Formula
Percentage change = [(439 - 406) / 406] x 100
Subtract the new number by the original number
439 - 406 = 33
33 ÷ 406 = 0.0812807881773399
0.0812807881773399 x 100 = 8.13%