65.48% is the change from 449 to 743
Calculation steps:
[( 743 - 449 ) ÷ 449] x 100 = 65.48%
Formula
Percentage change = [(743 - 449) / 449] x 100
Subtract the new number by the original number
743 - 449 = 294
294 ÷ 449 = 0.6547884187082406
0.6547884187082406 x 100 = 65.48%