How are these numbers calculated?

Big Games

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

Sunday100.0*Average seed
Madureira 0 Resende 2 +0.9
Botafogo 6 Cabofriense 2 +0.1
Vasco da Gama 3 Macae 1 +0.0
Wednesday100.0*Average seed
Bangu 1 Cabofriense 0 -0.1
Portuguesa 0 Botafogo 0 +0.0
Thursday100.0*Average seed
Volta Redonda 2 Resende 1 -0.2
Macae 0 Fluminense 0 +0.0
Points
Chance Will Be Promoted