-80.12% is the change from 996 to 198
Calculation steps:
[( 198 - 996 ) ÷ 996] x 100 = -80.12%
Formula
Percentage change = [(198 - 996) / 996] x 100
Subtract the new number by the original number
198 - 996 = -798
-798 ÷ 996 = -0.8012048192771084
-0.8012048192771084 x 100 = -80.12%