18.45% is the change from 336 to 398
Calculation steps:
[( 398 - 336 ) ÷ 336] x 100 = 18.45%
Formula
Percentage change = [(398 - 336) / 336] x 100
Subtract the new number by the original number
398 - 336 = 62
62 ÷ 336 = 0.18452380952380953
0.18452380952380953 x 100 = 18.45%