-96.14% is the change from 804 to 31
Calculation steps:
[( 31 - 804 ) ÷ 804] x 100 = -96.14%
Formula
Percentage change = [(31 - 804) / 804] x 100
Subtract the new number by the original number
31 - 804 = -773
-773 ÷ 804 = -0.9614427860696517
-0.9614427860696517 x 100 = -96.14%