How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/20None
Week of 11/24None
Week of 11/29100.0*Average seed
Bragantino 2 CRB 0 +0.6
Parana 3 Botafogo-SP 3 +0.2
Points
Chance Will Win Championship