How are these numbers calculated?

Big Games

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

Week of 11/29100.0*Serie B100.0*Average seed
Ponte Preta 1 Sao Paulo 2 +16.4
-0.9
Criciuma 0 Gremio 2 +6.7
-0.2
Corinthians 1 Bahia 2 +6.7
-0.2
Fortaleza 5 Parana 3 +3.7
-0.2
Fluminense 2 Sao Caetano 1 +2.3
-0.2
Juventude 1 Atletico-MG 0 +2.1
-0.2
Cruzeiro 2 Paysandu 1 -0.8
+0.1
Vasco da Gama 1 Figueirense 0 +0.1
-0.1
Week of 12/6100.0*Serie B100.0*Average seed
Criciuma 3 Bahia 2 -6.2
+0.2
Flamengo 1 Ponte Preta 1 +4.4
-0.2
Guarani 2 Paysandu 1 -4.2
+0.2
Santos 2 Gremio 2 -2.2
+0.0
Fortaleza 2 Coritiba 2 +2.2
-0.0
Cruzeiro 5 Fluminense 2 -1.0
+0.1
Juventude 2 Sao Caetano 1 +0.6
-0.1
Week of 12/13100.0*Serie B100.0*Average seed
Ponte Preta 2 Fortaleza 0 No
+1.9
Gremio 3 Corinthians 0 +6.4
-0.3
Bahia 0 Cruzeiro 7 -3.6
+0.3
Paysandu 2 Atletico-PR 2 +0.1
Fluminense 1 Juventude 0 -0.1
Points
Chance Will Win Championship