49.67% is the change from 449 to 672
Calculation steps:
[( 672 - 449 ) ÷ 449] x 100 = 49.67%
Formula
Percentage change = [(672 - 449) / 449] x 100
Subtract the new number by the original number
672 - 449 = 223
223 ÷ 449 = 0.49665924276169265
0.49665924276169265 x 100 = 49.67%