10.3% is the change from 398 to 439
Calculation steps:
[( 439 - 398 ) ÷ 398] x 100 = 10.3%
Formula
Percentage change = [(439 - 398) / 398] x 100
Subtract the new number by the original number
439 - 398 = 41
41 ÷ 398 = 0.10301507537688442
0.10301507537688442 x 100 = 10.3%