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 No
-14.8
-0.6
Guarani 1 America-RN 2 -9.2
-0.1
Avai 1 Nautico 1 +1.1
+0.0
Sao Raimundo-AM 3 Santo Andre 2 +0.4
+0.1
Gama 3 Marilia 0 +0.0
Week of 11/18100.0*Chance wins title100.0*Serie A100.0*Average seed
Gama 1 Coritiba 1 No
-0.1
Nautico 2 Ituano 0 -3.6
America-RN 1 Santo Andre 2 +2.0
-0.1
Paulista 9 Paysandu 0 -0.6
-0.2
Marilia 1 Brasiliense 1 +0.1
Week of 11/25100.0*Chance wins title100.0*Serie A100.0*Average seed
Coritiba 4 Avai 2 +0.6
Santo Andre 1 Nautico 1 +0.2
Brasiliense 3 Paulista 4 -0.0
Points
Chance Will Win Championship