62.14% is the change from 449 to 728
Calculation steps:
[( 728 - 449 ) ÷ 449] x 100 = 62.14%
Formula
Percentage change = [(728 - 449) / 449] x 100
Subtract the new number by the original number
728 - 449 = 279
279 ÷ 449 = 0.621380846325167
0.621380846325167 x 100 = 62.14%