74.39% is the change from 449 to 783
Calculation steps:
[( 783 - 449 ) ÷ 449] x 100 = 74.39%
Formula
Percentage change = [(783 - 449) / 449] x 100
Subtract the new number by the original number
783 - 449 = 334
334 ÷ 449 = 0.7438752783964365
0.7438752783964365 x 100 = 74.39%