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
Ceara 2 Vila Nova 3 No
-1.0
Bragantino 1 Vasco da Gama 2 -0.9
CRB 0 Paysandu 1 +0.3
+0.2
Luverdense 2 Bahia 2 +0.2
+0.0
Sampaio Correa 1 Londrina 3 -0.2
-0.1
Avai 3 Nautico 0 +0.1
Brasil de Pelotas 1 Oeste 1 +0.0
Week of 11/18100.0*Serie A100.0*Average seed
Ceara 1 Parana 1 -0.4
Criciuma 1 Vasco da Gama 0 -0.2
Luverdense 1 Goias 0 -0.2
Vila Nova 2 Paysandu 2 +0.0
Londrina 0 Avai 1 +0.0
Week of 11/25100.0*Serie A100.0*Average seed
Vasco da Gama 2 Ceara 1 -1.3
Joinville 4 Vila Nova 2 +0.4
Paysandu 1 Criciuma 2 -0.3
CRB 3 Luverdense 0 +0.1
Bragantino 0 Londrina 1 -0.0
Avai 1 Brasil de Pelotas 1 +0.0
Points
Chance Will Win Championship