10.27% is the change from 409 to 451
Calculation steps:
[( 451 - 409 ) ÷ 409] x 100 = 10.27%
Formula
Percentage change = [(451 - 409) / 409] x 100
Subtract the new number by the original number
451 - 409 = 42
42 ÷ 409 = 0.10268948655256724
0.10268948655256724 x 100 = 10.27%