30.59% is the change from 389 to 508
Calculation steps:
[( 508 - 389 ) ÷ 389] x 100 = 30.59%
Formula
Percentage change = [(508 - 389) / 389] x 100
Subtract the new number by the original number
508 - 389 = 119
119 ÷ 389 = 0.3059125964010283
0.3059125964010283 x 100 = 30.59%