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
Sport Recife 2 Parana 0 No
-0.4
Guaratingueta 0 Ceara 1 -0.4
-0.1
Icasa 2 Paysandu 1 -0.2
-0.0
Avai 0 America-RN 1 +0.2
Sao Caetano 3 Joinville 2 +0.1
America-MG 3 Atletico-GO 0 -0.1
Palmeiras 3 Boa Esporte 0 +0.1
Week of 11/22100.0*Serie A100.0*Average seed
Guaratingueta 3 Parana 4 +0.9
Boa Esporte 2 Sport Recife 3 +0.2
Joinville 2 America-MG 1 -0.2
ABC 1 Avai 0 +0.1
Week of 11/29100.0*Serie A100.0*Average seed
Parana 2 Icasa 0 +1.5
Ceara 0 Joinville 3 -0.4
America-MG 0 ABC 0 +0.3
Avai 1 Boa Esporte 0 -0.2
Points
Chance Will Win Championship