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
Coritiba 0 Atletico-PR 2 +6.5
-0.1
Fluminense 2 Criciuma 0 -3.4
+0.1
Sport Recife 2 Bragantino 1 -1.5
+0.0
Criciuma 3 Vasco da Gama 4 -1.0
+0.1
Santos 3 Bahia 1 -0.7
+0.1
Portuguesa 1 Goias 2 +0.6
-0.2
Guarani 0 Juventude 0 -0.5
+0.0
Vitoria 1 Cruzeiro 1 +0.1
-0.0
Sao Paulo 7 Uniao Sao Joao 1 -0.1
Week of 11/1100.0*Serie B100.0*Average seed
Corinthians 1 Flamengo 0 -44.2
+2.3
Corinthians 0 Sport Recife 1 +17.1
-1.5
Bragantino 1 Uniao Sao Joao 0 +4.6
-0.2
Gremio 1 Guarani 4 +4.2
-0.1
Uniao Sao Joao 0 Guarani 1 +3.5
-0.2
Portuguesa 2 Criciuma 2 +2.6
-0.1
Atletico-PR 2 Internacional 1 +2.4
-0.3
Vasco da Gama 3 Bahia 1 -1.2
+0.1
Juventude 2 Bragantino 1 -1.0
+0.1
Juventude 1 Fluminense 1 -0.5
+0.0
Cruzeiro 2 Botafogo 3 +0.1
Flamengo 1 Coritiba 0 +0.0
Palmeiras 3 Goias 3 +0.0
Week of 11/8100.0*Serie B100.0*Average seed
Guarani 3 Vasco da Gama 2 +9.8
-0.6
Goias 0 Corinthians 2 No
+2.8
Criciuma 1 Atletico-PR 1 -2.7
+0.3
Bahia 0 Juventude 0 -2.6
+0.2
Internacional 7 Bragantino 0 -2.2
+0.2
Santos 2 Cruzeiro 2 +0.2
-0.0
Coritiba 2 America-RN 0 +0.1
-0.3
Fluminense 0 Gremio 2 -0.2
Points
Chance Will Make Playoffs