-79.1% is the change from 804 to 168
Calculation steps:
[( 168 - 804 ) ÷ 804] x 100 = -79.1%
Formula
Percentage change = [(168 - 804) / 804] x 100
Subtract the new number by the original number
168 - 804 = -636
-636 ÷ 804 = -0.7910447761194029
-0.7910447761194029 x 100 = -79.1%