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*Serie A100.0*Average seed
Coritiba 2 Atletico-MG 3 +0.1
+0.1
Guarani 1 America-RN 2 No
Sao Raimundo-AM 3 Santo Andre 2 +0.2
Gama 3 Marilia 0 +0.1
Week of 11/18100.0*Serie A100.0*Average seed
America-RN 1 Santo Andre 2 -0.3
Marilia 1 Brasiliense 1 +0.1
Paulista 9 Paysandu 0 -0.1
Gama 1 Coritiba 1 -0.0
Week of 11/25100.0*Serie A100.0*Average seed
Brasiliense 3 Paulista 4 -0.4
Santo Andre 1 Nautico 1 +0.2
Coritiba 4 Avai 2 -0.1
Points
Chance Will Win Championship