25.16% is the change from 318 to 398
Calculation steps:
[( 398 - 318 ) ÷ 318] x 100 = 25.16%
Formula
Percentage change = [(398 - 318) / 318] x 100
Subtract the new number by the original number
398 - 318 = 80
80 ÷ 318 = 0.25157232704402516
0.25157232704402516 x 100 = 25.16%