-98.51% is the change from 804 to 12
Calculation steps:
[( 12 - 804 ) ÷ 804] x 100 = -98.51%
Formula
Percentage change = [(12 - 804) / 804] x 100
Subtract the new number by the original number
12 - 804 = -792
-792 ÷ 804 = -0.9850746268656716
-0.9850746268656716 x 100 = -98.51%