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
Sport Recife 4 Americana 0 -10.8
-1.1
Ponte Preta 1 Boa Esporte 2 +1.0
-0.2
Bragantino 4 Goias 0 -0.8
+0.1
Vitoria 3 Criciuma 1 -0.7
+0.0
Gremio Barueri 1 ABC 3 +0.0
Week of 11/18100.0*Serie A100.0*Average seed
Bragantino 0 ASA 1 +0.6
+0.1
Vitoria 1 Sao Caetano 2 +0.4
+0.1
Americana 2 Vila Nova 1 +0.3
+0.8
Sport Recife 3 Parana 0 -0.2
-0.1
Boa Esporte 2 Nautico 1 -0.2
-0.3
Ponte Preta 4 ABC 1 -0.1
+0.1
Criciuma 1 Gremio Barueri 2 +0.1
Goias 0 Icasa 0 +0.1
Week of 11/25100.0*Serie A100.0*Average seed
Parana 1 Bragantino 0 +1.4
+0.3
Duque de Caxias 2 Boa Esporte 2 +1.1
+0.2
ABC 3 Americana 1 No
-0.6
ASA 1 Vitoria 2 No
-0.2
Vila Nova 0 Sport Recife 1 No
-0.1
Points
Chance Will Win Championship