-30.6% is the change from 804 to 558
Calculation steps:
[( 558 - 804 ) ÷ 804] x 100 = -30.6%
Formula
Percentage change = [(558 - 804) / 804] x 100
Subtract the new number by the original number
558 - 804 = -246
-246 ÷ 804 = -0.30597014925373134
-0.30597014925373134 x 100 = -30.6%