-99.5% is the change from 992 to 5
Calculation steps:
[( 5 - 992 ) ÷ 992] x 100 = -99.5%
Formula
Percentage change = [(5 - 992) / 992] x 100
Subtract the new number by the original number
5 - 992 = -987
-987 ÷ 992 = -0.9949596774193549
-0.9949596774193549 x 100 = -99.5%