22.33% is the change from 318 to 389
Calculation steps:
[( 389 - 318 ) ÷ 318] x 100 = 22.33%
Formula
Percentage change = [(389 - 318) / 318] x 100
Subtract the new number by the original number
389 - 318 = 71
71 ÷ 318 = 0.22327044025157233
0.22327044025157233 x 100 = 22.33%