How are these numbers calculated?

Big Games

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

Week of 10/25100.0*Serie B100.0*Average seed
Sao Paulo 7 Uniao Sao Joao 1 Yes
-0.3
Coritiba 0 Atletico-PR 2 +0.3
Sport Recife 2 Bragantino 1 -0.2
Santos 3 Bahia 1 -0.1
Portuguesa 1 Goias 2 +0.1
Criciuma 3 Vasco da Gama 4 -0.1
Guarani 0 Juventude 0 -0.1
+0.0
Fluminense 2 Criciuma 0 -0.1
Week of 11/1100.0*Serie B100.0*Average seed
Bragantino 1 Uniao Sao Joao 0 -0.1
Gremio 1 Guarani 4 -0.1
Week of 11/8None
Points
Chance Will Make Playoffs