81.91% is the change from 398 to 724
Calculation steps:
[( 724 - 398 ) ÷ 398] x 100 = 81.91%
Formula
Percentage change = [(724 - 398) / 398] x 100
Subtract the new number by the original number
724 - 398 = 326
326 ÷ 398 = 0.8190954773869347
0.8190954773869347 x 100 = 81.91%