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
Ponte Preta 1 Boa Esporte 2 -8.8
-0.4
Vitoria 3 Criciuma 1 -4.6
-0.1
Bragantino 4 Goias 0 -3.9
-0.1
Sao Caetano 0 Nautico 0 -0.0
Week of 11/18100.0*Serie A100.0*Average seed
Ponte Preta 4 ABC 1 +22.9
+0.7
Vitoria 1 Sao Caetano 2 +9.0
+0.2
Bragantino 0 ASA 1 +8.6
+0.3
Sport Recife 3 Parana 0 -3.9
-0.1
Boa Esporte 2 Nautico 1 -0.8
+0.1
Americana 2 Vila Nova 1 -0.1
Week of 11/25100.0*Serie A100.0*Average seed
Nautico 2 Ponte Preta 2 -0.4
Points
Chance Will Win Championship