-49.83% is the change from 899 to 451
Calculation steps:
[( 451 - 899 ) ÷ 899] x 100 = -49.83%
Formula
Percentage change = [(451 - 899) / 899] x 100
Subtract the new number by the original number
451 - 899 = -448
-448 ÷ 899 = -0.4983314794215795
-0.4983314794215795 x 100 = -49.83%