102.23% is the change from 449 to 908
Calculation steps:
[( 908 - 449 ) ÷ 449] x 100 = 102.23%
Formula
Percentage change = [(908 - 449) / 449] x 100
Subtract the new number by the original number
908 - 449 = 459
459 ÷ 449 = 1.022271714922049
1.022271714922049 x 100 = 102.23%