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
Avai 0 America-RN 1 -3.6
-0.9
Icasa 2 Paysandu 1 -2.1
-0.1
Guaratingueta 0 Ceara 1 -1.8
-0.1
Sport Recife 2 Parana 0 -1.2
+0.0
Sao Caetano 3 Joinville 2 +0.4
+0.2
Oeste 2 Figueirense 2 +0.1
America-MG 3 Atletico-GO 0 -0.1
-0.2
Palmeiras 3 Boa Esporte 0 +0.1
Week of 11/22100.0*Serie A100.0*Average seed
ABC 1 Avai 0 -0.7
Guaratingueta 3 Parana 4 -0.3
Boa Esporte 2 Sport Recife 3 +0.1
Joinville 2 America-MG 1 -0.1
Figueirense 2 ASA 0 -0.1
Week of 11/29100.0*Serie A100.0*Average seed
Avai 1 Boa Esporte 0 +0.8
Parana 2 Icasa 0 -0.6
America-MG 0 ABC 0 -0.1
Ceara 0 Joinville 3 -0.1
Points
Chance Will Win Championship