13.32% is the change from 398 to 451
Calculation steps:
[( 451 - 398 ) ÷ 398] x 100 = 13.32%
Formula
Percentage change = [(451 - 398) / 398] x 100
Subtract the new number by the original number
451 - 398 = 53
53 ÷ 398 = 0.13316582914572864
0.13316582914572864 x 100 = 13.32%