2.31% is the change from 389 to 398
Calculation steps:
[( 398 - 389 ) ÷ 389] x 100 = 2.31%
Formula
Percentage change = [(398 - 389) / 389] x 100
Subtract the new number by the original number
398 - 389 = 9
9 ÷ 389 = 0.02313624678663239
0.02313624678663239 x 100 = 2.31%