-18.28% is the change from 804 to 657
Calculation steps:
[( 657 - 804 ) ÷ 804] x 100 = -18.28%
Formula
Percentage change = [(657 - 804) / 804] x 100
Subtract the new number by the original number
657 - 804 = -147
-147 ÷ 804 = -0.1828358208955224
-0.1828358208955224 x 100 = -18.28%