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 C100.0*Average seed
Icasa 1 Salgueiro 0 -19.5
+0.6
ASA 2 Duque de Caxias 0 +5.2
-0.1
Sao Caetano 0 Nautico 0 -2.0
+0.1
Gremio Barueri 1 ABC 3 +0.5
-0.1
Parana 3 Guarani 0 +0.1
-0.0
Week of 11/18100.0*Serie C100.0*Average seed
Vitoria 1 Sao Caetano 2 +14.5
-0.3
Bragantino 0 ASA 1 +9.2
-0.3
Salgueiro 1 Guarani 4 +1.3
-0.2
Criciuma 1 Gremio Barueri 2 +0.2
-0.1
Goias 0 Icasa 0 +0.2
-0.3
Sport Recife 3 Parana 0 +0.0
Ponte Preta 4 ABC 1 +0.0
Week of 11/25100.0*Serie C100.0*Average seed
Icasa 0 Portuguesa 2 Yes
-0.5
Sao Caetano 1 Criciuma 0 +3.1
-0.2
ASA 1 Vitoria 2 -0.6
+0.1
Parana 1 Bragantino 0 +0.4
-0.1
ABC 3 Americana 1 +0.4
-0.1
Guarani 2 Goias 0 +0.4
-0.1
Points
Chance Will Win Championship