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
Juventude 1 Atletico-MG 0 -7.3
+1.3
Fluminense 2 Sao Caetano 1 +0.7
-0.2
Fortaleza 5 Parana 3 +0.2
-0.2
Criciuma 0 Gremio 2 +0.2
Corinthians 1 Bahia 2 +0.2
Ponte Preta 1 Sao Paulo 2 -0.1
+0.1
Cruzeiro 2 Paysandu 1 +0.1
Vasco da Gama 1 Figueirense 0 -0.1
Week of 12/6100.0*Serie B100.0*Average seed
Juventude 2 Sao Caetano 1 No
+1.1
Criciuma 3 Bahia 2 -0.4
+0.0
Guarani 2 Paysandu 1 -0.3
+0.2
Santos 2 Gremio 2 +0.2
Fortaleza 2 Coritiba 2 -0.1
+0.1
Cruzeiro 5 Fluminense 2 +0.1
Flamengo 1 Ponte Preta 1 +0.0
Atletico-PR 2 Vasco da Gama 2 -0.0
Week of 12/13100.0*Serie B100.0*Average seed
Fluminense 1 Juventude 0 -0.4
Vasco da Gama 1 Santos 1 -0.1
Points
Chance Will Win Championship