-99.63% is the change from 804 to 3
Calculation steps:
[( 3 - 804 ) ÷ 804] x 100 = -99.63%
Formula
Percentage change = [(3 - 804) / 804] x 100
Subtract the new number by the original number
3 - 804 = -801
-801 ÷ 804 = -0.996268656716418
-0.996268656716418 x 100 = -99.63%