-3.96% is the change from 809 to 777
Calculation steps:
[( 777 - 809 ) ÷ 809] x 100 = -3.96%
Formula
Percentage change = [(777 - 809) / 809] x 100
Subtract the new number by the original number
777 - 809 = -32
-32 ÷ 809 = -0.03955500618046971
-0.03955500618046971 x 100 = -3.96%