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
Guarani 1 America-RN 2 +0.7
+19.9
+0.6
Coritiba 2 Atletico-MG 3 No
+11.7
+0.1
Avai 1 Nautico 1 -0.2
+0.0
Sao Raimundo-AM 3 Santo Andre 2 +1.0
+0.0
Week of 11/18100.0*Chance wins title100.0*Serie A100.0*Average seed
America-RN 1 Santo Andre 2 -10.4
-0.5
Gama 1 Coritiba 1 +1.3
Paulista 9 Paysandu 0 -0.8
Nautico 2 Ituano 0 -0.2
-0.2
Week of 11/25100.0*Chance wins title100.0*Serie A100.0*Average seed
Brasiliense 3 Paulista 4 -41.0
-0.4
Atletico-MG 2 America-RN 2 Yes
+0.1
Santo Andre 1 Nautico 1 -0.1
Points
Chance Will Win Championship