-79.98% is the change from 994 to 199
Calculation steps:
[( 199 - 994 ) ÷ 994] x 100 = -79.98%
Formula
Percentage change = [(199 - 994) / 994] x 100
Subtract the new number by the original number
199 - 994 = -795
-795 ÷ 994 = -0.7997987927565392
-0.7997987927565392 x 100 = -79.98%