73.5% is the change from 449 to 779
Calculation steps:
[( 779 - 449 ) ÷ 449] x 100 = 73.5%
Formula
Percentage change = [(779 - 449) / 449] x 100
Subtract the new number by the original number
779 - 449 = 330
330 ÷ 449 = 0.734966592427617
0.734966592427617 x 100 = 73.5%