How are these numbers calculated?

Big Games

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

Sunday100.0*Average seed
Vasco da Gama 3 Macae 1 -0.1
Madureira 0 Resende 2 -0.1
Wednesday100.0*Average seed
Bangu 1 Cabofriense 0 +0.6
Portuguesa 0 Botafogo 0 +0.1
Thursday100.0*Average seed
Vasco da Gama 1 Madureira 0 -0.4
Points
Chance Will Be Promoted