How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/9100.0*Serie A100.0*Average seed
Oeste 0 Londrina 0 -9.7
-0.4
Ponte Preta 2 Coritiba 0 -4.6
-0.2
Avai 0 Fortaleza 1 +4.2
+0.1
Coritiba 1 Goias 0 +3.3
+0.1
Juventude 0 Ponte Preta 1 -2.5
-0.2
CSA 0 Atletico-GO 0 +1.7
+0.1
Vila Nova 3 Figueirense 1 -1.2
-0.1
Guarani 0 Paysandu 2 +0.2
+0.1
Week of 11/16100.0*Serie A100.0*Average seed
Londrina 1 CRB 2 -18.4
-1.1
Atletico-GO 1 Sao Bento 0 -0.4
-0.2
CSA 0 Avai 1 No
-0.1
Oeste 1 Goias 3 No
-0.0
Vila Nova 2 Criciuma 2 -0.0
Brasil de Pelotas 1 Guarani 1 +0.1
Week of 11/23100.0*Serie A100.0*Average seed
Guarani 1 Londrina 0 -0.6
Paysandu 2 Atletico-GO 5 -0.3
Sao Bento 2 Vila Nova 2 +0.1
Points
Chance Will Win Championship