-79.73% is the change from 804 to 163
Calculation steps:
[( 163 - 804 ) ÷ 804] x 100 = -79.73%
Formula
Percentage change = [(163 - 804) / 804] x 100
Subtract the new number by the original number
163 - 804 = -641
-641 ÷ 804 = -0.7972636815920398
-0.7972636815920398 x 100 = -79.73%