How are these numbers calculated?

Big Games

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

Week of 11/6100.0*Chance wins title100.0*Serie A100.0*Average seed
Avai 1 Coritiba 0 +2.4
Portuguesa 6 Barueri 2 +1.3
+7.1
+0.4
Gama 0 Ipatinga 2 -0.2
-0.5
-0.2
Paulista 3 Vitoria 0 +0.1
+0.4
+0.2
CRB 2 Criciuma 0 +2.3
+0.0
Remo 3 Fortaleza 2 +1.0
Ceara 1 Brasiliense 3 +0.3
Marilia 4 Santo Andre 2 -0.1
Santa Cruz 1 Ponte Preta 1 +0.1
Week of 11/13100.0*Chance wins title100.0*Serie A100.0*Average seed
Coritiba 2 Portuguesa 0 No
-1.0
-0.3
Ipatinga 3 Marilia 2 -0.4
-0.1
Criciuma 1 Paulista 2 +0.9
Vitoria 4 CRB 1 -0.2
-0.1
Fortaleza 0 Sao Caetano 1 +0.1
Vitoria 1 Remo 1 +0.1
Ipatinga 1 Sao Caetano 0 -0.1
Brasiliense 1 Portuguesa 1 -0.0
Week of 11/24100.0*Chance wins title100.0*Serie A100.0*Average seed
Gama 1 Vitoria 0 +0.2
Portuguesa 3 Criciuma 1 +0.2
Points
Chance Will Win Championship