How are these numbers calculated?

Big Games

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

Monday100.0*Average seed
Botafogo 5 Volta Redonda 0 -0.3
SaturdayNone
Sunday100.0*Average seed
Vasco da Gama 3 Resende 0 +0.3
Audax 2 Botafogo 2 -0.0
Points
Chance Will Win Championship