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*Average seed
Avai 1 Coritiba 0 -4.4
-0.1
Gama 0 Ipatinga 2 -1.5
Portuguesa 6 Barueri 2 -1.0
Paulista 3 Vitoria 0 +0.9
Week of 11/13100.0*Chance wins title100.0*Average seed
Ipatinga 1 Sao Caetano 0 -9.7
-0.1
Coritiba 2 Portuguesa 0 +9.4
+0.1
Coritiba 2 Marilia 3 -7.7
-0.1
Ipatinga 3 Marilia 2 -3.9
-0.1
Vitoria 4 CRB 1 -0.1
Week of 11/24100.0*Chance wins title100.0*Average seed
Paulista 2 Ipatinga 5 -39.3
-0.4
Santa Cruz 2 Coritiba 3 Yes
+0.2
Points
Chance Will Win Championship