0.45% is the change from 449 to 451
Calculation steps:
[( 451 - 449 ) ÷ 449] x 100 = 0.45%
Formula
Percentage change = [(451 - 449) / 449] x 100
Subtract the new number by the original number
451 - 449 = 2
2 ÷ 449 = 0.004454342984409799
0.004454342984409799 x 100 = 0.45%