687.72% is the change from 57 to 449
Calculation steps:
[( 449 - 57 ) ÷ 57] x 100 = 687.72%
Formula
Percentage change = [(449 - 57) / 57] x 100
Subtract the new number by the original number
449 - 57 = 392
392 ÷ 57 = 6.87719298245614
6.87719298245614 x 100 = 687.72%