17.75% is the change from 338 to 398
Calculation steps:
[( 398 - 338 ) ÷ 338] x 100 = 17.75%
Formula
Percentage change = [(398 - 338) / 338] x 100
Subtract the new number by the original number
398 - 338 = 60
60 ÷ 338 = 0.17751479289940827
0.17751479289940827 x 100 = 17.75%