-99.56% is the change from 899 to 4
Calculation steps:
[( 4 - 899 ) ÷ 899] x 100 = -99.56%
Formula
Percentage change = [(4 - 899) / 899] x 100
Subtract the new number by the original number
4 - 899 = -895
-895 ÷ 899 = -0.9955506117908788
-0.9955506117908788 x 100 = -99.56%