-80.1% is the change from 804 to 160
Calculation steps:
[( 160 - 804 ) ÷ 804] x 100 = -80.1%
Formula
Percentage change = [(160 - 804) / 804] x 100
Subtract the new number by the original number
160 - 804 = -644
-644 ÷ 804 = -0.8009950248756219
-0.8009950248756219 x 100 = -80.1%