-98.55% is the change from 899 to 13
Calculation steps:
[( 13 - 899 ) ÷ 899] x 100 = -98.55%
Formula
Percentage change = [(13 - 899) / 899] x 100
Subtract the new number by the original number
13 - 899 = -886
-886 ÷ 899 = -0.985539488320356
-0.985539488320356 x 100 = -98.55%