15.14% is the change from 449 to 517
Calculation steps:
[( 517 - 449 ) ÷ 449] x 100 = 15.14%
Formula
Percentage change = [(517 - 449) / 449] x 100
Subtract the new number by the original number
517 - 449 = 68
68 ÷ 449 = 0.1514476614699332
0.1514476614699332 x 100 = 15.14%