-22.51% is the change from 804 to 623
Calculation steps:
[( 623 - 804 ) ÷ 804] x 100 = -22.51%
Formula
Percentage change = [(623 - 804) / 804] x 100
Subtract the new number by the original number
623 - 804 = -181
-181 ÷ 804 = -0.22512437810945274
-0.22512437810945274 x 100 = -22.51%