-20.14% is the change from 998 to 797
Calculation steps:
[( 797 - 998 ) ÷ 998] x 100 = -20.14%
Formula
Percentage change = [(797 - 998) / 998] x 100
Subtract the new number by the original number
797 - 998 = -201
-201 ÷ 998 = -0.20140280561122245
-0.20140280561122245 x 100 = -20.14%