34.74% is the change from 449 to 605
Calculation steps:
[( 605 - 449 ) ÷ 449] x 100 = 34.74%
Formula
Percentage change = [(605 - 449) / 449] x 100
Subtract the new number by the original number
605 - 449 = 156
156 ÷ 449 = 0.34743875278396436
0.34743875278396436 x 100 = 34.74%