50.11% is the change from 449 to 674
Calculation steps:
[( 674 - 449 ) ÷ 449] x 100 = 50.11%
Formula
Percentage change = [(674 - 449) / 449] x 100
Subtract the new number by the original number
674 - 449 = 225
225 ÷ 449 = 0.5011135857461024
0.5011135857461024 x 100 = 50.11%