-99.5% is the change from 994 to 5
Calculation steps:
[( 5 - 994 ) ÷ 994] x 100 = -99.5%
Formula
Percentage change = [(5 - 994) / 994] x 100
Subtract the new number by the original number
5 - 994 = -989
-989 ÷ 994 = -0.9949698189134809
-0.9949698189134809 x 100 = -99.5%