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
Fluminense 2 Criciuma 0 -6.6
+0.6
Coritiba 0 Atletico-PR 2 +0.9
-0.1
Sport Recife 2 Bragantino 1 -0.5
Portuguesa 1 Goias 2 +0.4
Criciuma 3 Vasco da Gama 4 -0.4
Guarani 0 Juventude 0 -0.1
Sao Paulo 7 Uniao Sao Joao 1 +0.1
Week of 11/1100.0*Serie B100.0*Average seed
Corinthians 1 Flamengo 0 Yes
-0.2
Juventude 1 Fluminense 1 +3.9
-0.2
Corinthians 0 Sport Recife 1 -2.6
+0.1
Uniao Sao Joao 0 Guarani 1 +2.4
-0.2
Bragantino 1 Uniao Sao Joao 0 +2.2
-0.1
Portuguesa 2 Criciuma 2 +2.0
-0.1
Gremio 1 Guarani 4 +1.7
-0.3
Atletico-PR 2 Internacional 1 +1.3
-0.1
Cruzeiro 2 Botafogo 3 -0.1
Vasco da Gama 3 Bahia 1 -0.1
Flamengo 1 Coritiba 0 -0.1
Week of 11/8100.0*Serie B100.0*Average seed
Fluminense 0 Gremio 2 -0.3
Criciuma 1 Atletico-PR 1 -0.1
Guarani 3 Vasco da Gama 2 -0.1
Points
Chance Will Make Playoffs