104.52% is the change from 398 to 814
Calculation steps:
[( 814 - 398 ) ÷ 398] x 100 = 104.52%
Formula
Percentage change = [(814 - 398) / 398] x 100
Subtract the new number by the original number
814 - 398 = 416
416 ÷ 398 = 1.0452261306532664
1.0452261306532664 x 100 = 104.52%