50.75% is the change from 398 to 600
Calculation steps:
[( 600 - 398 ) ÷ 398] x 100 = 50.75%
Formula
Percentage change = [(600 - 398) / 398] x 100
Subtract the new number by the original number
600 - 398 = 202
202 ÷ 398 = 0.507537688442211
0.507537688442211 x 100 = 50.75%