How are these numbers calculated?

Big Games

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

Week of 11/11100.0*Chance wins title100.0*Serie A100.0*Average seed
Coritiba 2 Atletico-MG 3 -21.7
Yes
-0.2
Avai 1 Nautico 1 +1.1
+0.1
Guarani 1 America-RN 2 -0.3
Week of 11/18100.0*Chance wins title100.0*Serie A100.0*Average seed
Guarani 2 Sport Recife 0 -12.6
-0.2
Ceara 0 Atletico-MG 1 -12.4
-0.1
Week of 11/25100.0*Chance wins title100.0*Serie A100.0*Average seed
Sport Recife 2 Portuguesa 3 -0.2
Santo Andre 1 Nautico 1 +0.1
Points
Chance Will Win Championship