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 -26.7
+1.5
Portuguesa 1 Goias 2 +4.2
-0.2
Sport Recife 2 Bragantino 1 -2.5
+0.1
Criciuma 3 Vasco da Gama 4 -1.5
+0.1
Fluminense 2 Criciuma 0 -1.2
+0.1
Santos 3 Bahia 1 -1.0
+0.1
Guarani 0 Juventude 0 -0.3
Vitoria 1 Cruzeiro 1 +0.1
Week of 11/1100.0*Serie B100.0*Average seed
Atletico-PR 2 Internacional 1 -18.3
+2.7
Corinthians 0 Sport Recife 1 -3.4
+0.1
Portuguesa 2 Criciuma 2 +0.1
Gremio 1 Guarani 4 +0.2
Palmeiras 3 Goias 3 -0.1
Bragantino 1 Uniao Sao Joao 0 -0.1
Flamengo 1 Coritiba 0 +0.2
Vasco da Gama 3 Bahia 1 +0.1
Parana 1 Atletico-MG 0 -0.3
Santos 2 America-RN 0 +0.2
Cruzeiro 2 Botafogo 3 +0.1
Juventude 2 Bragantino 1 -0.1
America-RN 1 Sao Paulo 3 -0.1
Week of 11/8100.0*Serie B100.0*Average seed
Guarani 3 Vasco da Gama 2 +0.1
-0.3
Goias 0 Corinthians 2 -0.0
Santos 2 Cruzeiro 2 -0.1
Bahia 0 Juventude 0 No
+0.1
Criciuma 1 Atletico-PR 1 No
-0.4
Internacional 7 Bragantino 0 No
+0.1
Fluminense 0 Gremio 2 -0.3
Points
Chance Will Make Playoffs