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
Avai 1 Nautico 1 -3.0
-1.9
-0.2
Coritiba 2 Atletico-MG 3 -2.8
+3.6
Guarani 1 America-RN 2 -0.3
-2.7
-0.2
Sao Raimundo-AM 3 Santo Andre 2 +0.8
Week of 11/18100.0*Chance wins title100.0*Serie A100.0*Average seed
Nautico 2 Ituano 0 Yes
+0.4
Paulista 9 Paysandu 0 -6.2
-0.1
Gama 1 Coritiba 1 +3.5
+0.0
America-RN 1 Santo Andre 2 +1.1
+0.2
Guarani 2 Sport Recife 0 +0.1
Week of 11/25100.0*Chance wins title100.0*Serie A100.0*Average seed
Sport Recife 2 Portuguesa 3 +0.2
Atletico-MG 2 America-RN 2 +0.1
Santo Andre 1 Nautico 1 +0.0
Points
Chance Will Win Championship