-84.58% is the change from 804 to 124
Calculation steps:
[( 124 - 804 ) ÷ 804] x 100 = -84.58%
Formula
Percentage change = [(124 - 804) / 804] x 100
Subtract the new number by the original number
124 - 804 = -680
-680 ÷ 804 = -0.845771144278607
-0.845771144278607 x 100 = -84.58%