29.4% is the change from 449 to 581
Calculation steps:
[( 581 - 449 ) ÷ 449] x 100 = 29.4%
Formula
Percentage change = [(581 - 449) / 449] x 100
Subtract the new number by the original number
581 - 449 = 132
132 ÷ 449 = 0.29398663697104677
0.29398663697104677 x 100 = 29.4%