-19.82% is the change from 994 to 797
Calculation steps:
[( 797 - 994 ) ÷ 994] x 100 = -19.82%
Formula
Percentage change = [(797 - 994) / 994] x 100
Subtract the new number by the original number
797 - 994 = -197
-197 ÷ 994 = -0.1981891348088531
-0.1981891348088531 x 100 = -19.82%