-98.68% is the change from 985 to 13
Calculation steps:
[( 13 - 985 ) ÷ 985] x 100 = -98.68%
Formula
Percentage change = [(13 - 985) / 985] x 100
Subtract the new number by the original number
13 - 985 = -972
-972 ÷ 985 = -0.9868020304568528
-0.9868020304568528 x 100 = -98.68%