104.23% is the change from 449 to 917
Calculation steps:
[( 917 - 449 ) ÷ 449] x 100 = 104.23%
Formula
Percentage change = [(917 - 449) / 449] x 100
Subtract the new number by the original number
917 - 449 = 468
468 ÷ 449 = 1.042316258351893
1.042316258351893 x 100 = 104.23%