-80.02% is the change from 996 to 199
Calculation steps:
[( 199 - 996 ) ÷ 996] x 100 = -80.02%
Formula
Percentage change = [(199 - 996) / 996] x 100
Subtract the new number by the original number
199 - 996 = -797
-797 ÷ 996 = -0.8002008032128514
-0.8002008032128514 x 100 = -80.02%