-90.17% is the change from 804 to 79
Calculation steps:
[( 79 - 804 ) ÷ 804] x 100 = -90.17%
Formula
Percentage change = [(79 - 804) / 804] x 100
Subtract the new number by the original number
79 - 804 = -725
-725 ÷ 804 = -0.9017412935323383
-0.9017412935323383 x 100 = -90.17%