-28.68% is the change from 809 to 577
Calculation steps:
[( 577 - 809 ) ÷ 809] x 100 = -28.68%
Formula
Percentage change = [(577 - 809) / 809] x 100
Subtract the new number by the original number
577 - 809 = -232
-232 ÷ 809 = -0.2867737948084054
-0.2867737948084054 x 100 = -28.68%