105.53% is the change from 398 to 818
Calculation steps:
[( 818 - 398 ) ÷ 398] x 100 = 105.53%
Formula
Percentage change = [(818 - 398) / 398] x 100
Subtract the new number by the original number
818 - 398 = 420
420 ÷ 398 = 1.0552763819095476
1.0552763819095476 x 100 = 105.53%