73.8% is the change from 229 to 398
Calculation steps:
[( 398 - 229 ) ÷ 229] x 100 = 73.8%
Formula
Percentage change = [(398 - 229) / 229] x 100
Subtract the new number by the original number
398 - 229 = 169
169 ÷ 229 = 0.7379912663755459
0.7379912663755459 x 100 = 73.8%