-89.91% is the change from 793 to 80
Calculation steps:
[( 80 - 793 ) ÷ 793] x 100 = -89.91%
Formula
Percentage change = [(80 - 793) / 793] x 100
Subtract the new number by the original number
80 - 793 = -713
-713 ÷ 793 = -0.8991172761664565
-0.8991172761664565 x 100 = -89.91%