103.02% is the change from 398 to 808
Calculation steps:
[( 808 - 398 ) ÷ 398] x 100 = 103.02%
Formula
Percentage change = [(808 - 398) / 398] x 100
Subtract the new number by the original number
808 - 398 = 410
410 ÷ 398 = 1.0301507537688441
1.0301507537688441 x 100 = 103.02%