-87.94% is the change from 804 to 97
Calculation steps:
[( 97 - 804 ) ÷ 804] x 100 = -87.94%
Formula
Percentage change = [(97 - 804) / 804] x 100
Subtract the new number by the original number
97 - 804 = -707
-707 ÷ 804 = -0.8793532338308457
-0.8793532338308457 x 100 = -87.94%