62.36% is the change from 449 to 729
Calculation steps:
[( 729 - 449 ) ÷ 449] x 100 = 62.36%
Formula
Percentage change = [(729 - 449) / 449] x 100
Subtract the new number by the original number
729 - 449 = 280
280 ÷ 449 = 0.623608017817372
0.623608017817372 x 100 = 62.36%