How are these numbers calculated?

Big Games

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

Week of 11/14100.0*Serie A100.0*Average seed
Sao Caetano 1 America-RN 2 No
-0.7
Sao Caetano 2 Juventude 1 +0.5
Ceara 2 Santo Andre 3 +0.1
Bahia 2 CRB 0 -0.1
Parana 4 CRB 0 -0.0
Brasiliense 2 Juventude 2 -0.0
Week of 11/21100.0*Serie A100.0*Average seed
Bahia 2 Marilia 1 -0.1
Week of 11/28100.0*Serie A100.0*Average seed
Gama 0 Bahia 0 +0.3
Juventude 3 Gremio Barueri 2 -0.2
Avai 2 Sao Caetano 2 +0.0
Vila Nova 2 Bragantino 0 -0.0
Ponte Preta 3 Criciuma 1 -0.0
Points
Chance Will Win Championship