35.63% is the change from 449 to 609
Calculation steps:
[( 609 - 449 ) ÷ 449] x 100 = 35.63%
Formula
Percentage change = [(609 - 449) / 449] x 100
Subtract the new number by the original number
609 - 449 = 160
160 ÷ 449 = 0.35634743875278396
0.35634743875278396 x 100 = 35.63%