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 +10.0
-0.6
Criciuma 0 Gremio 2 +8.5
-0.2
Corinthians 1 Bahia 2 +8.2
-0.2
Fortaleza 5 Parana 3 +3.4
-0.2
Fluminense 2 Sao Caetano 1 +2.2
-0.3
Juventude 1 Atletico-MG 0 +1.7
-0.2
Cruzeiro 2 Paysandu 1 -0.2
+0.1
Vasco da Gama 1 Figueirense 0 -0.1
Week of 12/6100.0*Serie B100.0*Average seed
Criciuma 3 Bahia 2 -6.9
+0.2
Fortaleza 2 Coritiba 2 +3.3
-0.1
Guarani 2 Paysandu 1 -2.9
+0.1
Flamengo 1 Ponte Preta 1 +1.0
-0.0
Juventude 2 Sao Caetano 1 +0.3
-0.1
Cruzeiro 5 Fluminense 2 -0.3
+0.0
Santos 2 Gremio 2 +0.2
-0.0
Week of 12/13100.0*Serie B100.0*Average seed
Ponte Preta 2 Fortaleza 0 No
+1.8
Gremio 3 Corinthians 0 +9.8
-0.4
Bahia 0 Cruzeiro 7 -1.6
+0.2
Fluminense 1 Juventude 0 -0.1
Paysandu 2 Atletico-PR 2 +0.1
Points
Chance Will Win Championship