24.05% is the change from 449 to 557
Calculation steps:
[( 557 - 449 ) ÷ 449] x 100 = 24.05%
Formula
Percentage change = [(557 - 449) / 449] x 100
Subtract the new number by the original number
557 - 449 = 108
108 ÷ 449 = 0.24053452115812918
0.24053452115812918 x 100 = 24.05%