-87.84% is the change from 798 to 97
Calculation steps:
[( 97 - 798 ) ÷ 798] x 100 = -87.84%
Formula
Percentage change = [(97 - 798) / 798] x 100
Subtract the new number by the original number
97 - 798 = -701
-701 ÷ 798 = -0.8784461152882206
-0.8784461152882206 x 100 = -87.84%