30.29% is the change from 449 to 585
Calculation steps:
[( 585 - 449 ) ÷ 449] x 100 = 30.29%
Formula
Percentage change = [(585 - 449) / 449] x 100
Subtract the new number by the original number
585 - 449 = 136
136 ÷ 449 = 0.3028953229398664
0.3028953229398664 x 100 = 30.29%