12.6% is the change from 389 to 438
Calculation steps:
[( 438 - 389 ) ÷ 389] x 100 = 12.6%
Formula
Percentage change = [(438 - 389) / 389] x 100
Subtract the new number by the original number
438 - 389 = 49
49 ÷ 389 = 0.12596401028277635
0.12596401028277635 x 100 = 12.6%