79.73% is the change from 449 to 807
Calculation steps:
[( 807 - 449 ) ÷ 449] x 100 = 79.73%
Formula
Percentage change = [(807 - 449) / 449] x 100
Subtract the new number by the original number
807 - 449 = 358
358 ÷ 449 = 0.7973273942093542
0.7973273942093542 x 100 = 79.73%