-19.33% is the change from 988 to 797
Calculation steps:
[( 797 - 988 ) ÷ 988] x 100 = -19.33%
Formula
Percentage change = [(797 - 988) / 988] x 100
Subtract the new number by the original number
797 - 988 = -191
-191 ÷ 988 = -0.19331983805668015
-0.19331983805668015 x 100 = -19.33%