-55.01% is the change from 998 to 449
Calculation steps:
[( 449 - 998 ) ÷ 998] x 100 = -55.01%
Formula
Percentage change = [(449 - 998) / 998] x 100
Subtract the new number by the original number
449 - 998 = -549
-549 ÷ 998 = -0.5501002004008017
-0.5501002004008017 x 100 = -55.01%