97.77% is the change from 449 to 888
Calculation steps:
[( 888 - 449 ) ÷ 449] x 100 = 97.77%
Formula
Percentage change = [(888 - 449) / 449] x 100
Subtract the new number by the original number
888 - 449 = 439
439 ÷ 449 = 0.977728285077951
0.977728285077951 x 100 = 97.77%