How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Sunday100.0*Average seed
Botafogo 6 Cabofriense 2 -0.2
Madureira 0 Resende 2 -0.2
Vasco da Gama 3 Macae 1 +0.0
WednesdayNone
ThursdayNone
Points
Chance Will Be Promoted