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
Vila Nova 3 Figueirense 1 +6.1
+0.9
Ponte Preta 2 Coritiba 0 -3.0
-0.2
Avai 0 Fortaleza 1 +2.6
+0.1
Coritiba 1 Goias 0 +1.7
CSA 0 Atletico-GO 0 +1.2
+0.1
Juventude 0 Ponte Preta 1 -0.8
-0.2
Oeste 0 Londrina 0 +0.4
+0.0
Guarani 0 Paysandu 2 +0.3
+0.1
Week of 11/16100.0*Serie A100.0*Average seed
Vila Nova 2 Criciuma 2 -15.6
-0.6
Oeste 1 Goias 3 -3.6
-0.1
Londrina 1 CRB 2 +2.4
+0.3
CSA 0 Avai 1 -1.7
-0.1
Atletico-GO 1 Sao Bento 0 -0.3
-0.2
Brasil de Pelotas 1 Guarani 1 +0.0
Week of 11/23100.0*Serie A100.0*Average seed
Paysandu 2 Atletico-GO 5 -0.3
Guarani 1 Londrina 0 +0.3
Sao Bento 2 Vila Nova 2 -0.1
Points
Chance Will Win Championship