-87.86% is the change from 799 to 97
Calculation steps:
[( 97 - 799 ) ÷ 799] x 100 = -87.86%
Formula
Percentage change = [(97 - 799) / 799] x 100
Subtract the new number by the original number
97 - 799 = -702
-702 ÷ 799 = -0.8785982478097623
-0.8785982478097623 x 100 = -87.86%
Example