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*Chance wins title100.0*Serie A100.0*Average seed
Sao Caetano 0 America-MG 0 No
-7.4
-0.2
Bahia 3 Portuguesa 0 +11.2
+0.1
Sport Recife 1 Santo Andre 1 +2.2
+0.0
ASA 0 Parana 1 +0.3
Coritiba 2 Figueirense 1 +0.2
Week of 11/19100.0*Chance wins title100.0*Serie A100.0*Average seed
America-MG 2 Sport Recife 1 +20.7
+0.3
Portuguesa 2 Ipatinga 1 -9.2
-0.1
Guaratingueta 2 Figueirense 2 +0.0
Week of 11/26100.0*Chance wins title100.0*Serie A100.0*Average seed
Sport Recife 1 Portuguesa 2 -18.8
-0.2
Ponte Preta 0 America-MG 0 Yes
-0.3
Bragantino 2 Bahia 0 +0.3
Figueirense 4 Parana 2 -0.2
Points
Chance Will Win Championship