How are these numbers calculated?

Big Games

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

Week of 11/12100.0*Serie A100.0*Average seed
Sport Recife 1 Santo Andre 1 -3.1
-0.1
Bahia 3 Portuguesa 0 +2.1
+0.1
Sao Caetano 0 America-MG 0 +2.0
+0.0
ASA 0 Parana 1 +0.1
+0.1
Ipatinga 2 Duque de Caxias 0 +0.0
Week of 11/19100.0*Serie A100.0*Average seed
America-MG 2 Sport Recife 1 No
-0.4
Portuguesa 2 Ipatinga 1 -2.2
-0.2
ASA 1 America-RN 2 +0.0
Parana 0 Bragantino 0 +0.0
Week of 11/26100.0*Serie A100.0*Average seed
Sport Recife 1 Portuguesa 2 -0.2
Figueirense 4 Parana 2 +0.1
Points
Chance Will Win Championship