How are these numbers calculated?

Big Games

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

Sunday100.0*Average seed
Fluminense 0 Volta Redonda 3 -0.4
Madureira 0 Resende 2 +0.2
Wednesday100.0*Average seed
Flamengo 2 Boavista 0 -0.3
Thursday100.0*Average seed
Volta Redonda 2 Resende 1 -0.1
Points
Chance Will Be Promoted