How are these numbers calculated?

Big Games

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

Week of 11/15100.0*Serie A100.0*Average seed
Icasa 2 Paysandu 1 -0.2
Guaratingueta 0 Ceara 1 -0.1
Palmeiras 3 Boa Esporte 0 No
-0.6
Sport Recife 2 Parana 0 No
+0.1
Sao Caetano 3 Joinville 2 +0.1
America-MG 3 Atletico-GO 0 -0.1
Avai 0 America-RN 1 +0.1
Week of 11/22100.0*Serie A100.0*Average seed
Boa Esporte 2 Sport Recife 3 -0.4
Guaratingueta 3 Parana 4 -0.2
ABC 1 Avai 0 +0.1
Joinville 2 America-MG 1 -0.0
Oeste 2 Atletico-GO 4 +0.0
Sao Caetano 2 America-RN 2 +0.0
Week of 11/29None
Points
Chance Will Win Championship