49.45% is the change from 451 to 674
Calculation steps:
[( 674 - 451 ) ÷ 451] x 100 = 49.45%
Formula
Percentage change = [(674 - 451) / 451] x 100
Subtract the new number by the original number
674 - 451 = 223
223 ÷ 451 = 0.49445676274944567
0.49445676274944567 x 100 = 49.45%