105.28% is the change from 398 to 817
Calculation steps:
[( 817 - 398 ) ÷ 398] x 100 = 105.28%
Formula
Percentage change = [(817 - 398) / 398] x 100
Subtract the new number by the original number
817 - 398 = 419
419 ÷ 398 = 1.0527638190954773
1.0527638190954773 x 100 = 105.28%