-97.76% is the change from 804 to 18
Calculation steps:
[( 18 - 804 ) ÷ 804] x 100 = -97.76%
Formula
Percentage change = [(18 - 804) / 804] x 100
Subtract the new number by the original number
18 - 804 = -786
-786 ÷ 804 = -0.9776119402985075
-0.9776119402985075 x 100 = -97.76%