28.79% is the change from 389 to 501
Calculation steps:
[( 501 - 389 ) ÷ 389] x 100 = 28.79%
Formula
Percentage change = [(501 - 389) / 389] x 100
Subtract the new number by the original number
501 - 389 = 112
112 ÷ 389 = 0.2879177377892031
0.2879177377892031 x 100 = 28.79%