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
Guarani 0 Juventude 0 +2.6
-0.1
Coritiba 0 Atletico-PR 2 +1.8
-0.1
Fluminense 2 Criciuma 0 -1.3
-0.2
Portuguesa 1 Goias 2 +1.1
Sport Recife 2 Bragantino 1 -0.9
Criciuma 3 Vasco da Gama 4 -0.4
Santos 3 Bahia 1 -0.2
Sao Paulo 7 Uniao Sao Joao 1 +0.1
Week of 11/1100.0*Serie B100.0*Average seed
Uniao Sao Joao 0 Guarani 1 -18.2
+1.0
Gremio 1 Guarani 4 -14.1
+0.9
Corinthians 1 Flamengo 0 +9.7
-0.3
Bragantino 1 Uniao Sao Joao 0 +1.8
Corinthians 0 Sport Recife 1 -1.8
+0.0
Atletico-PR 2 Internacional 1 +1.5
Vasco da Gama 3 Bahia 1 -0.4
Juventude 1 Fluminense 1 -0.2
Portuguesa 2 Criciuma 2 +0.1
Week of 11/8100.0*Serie B100.0*Average seed
Guarani 3 Vasco da Gama 2 -77.7
+3.8
Bahia 0 Juventude 0 +7.8
-0.1
Criciuma 1 Atletico-PR 1 -3.6
-0.2
Goias 0 Corinthians 2 +0.1
-0.1
Santos 2 Cruzeiro 2 -0.0
Internacional 7 Bragantino 0 +0.0
Fluminense 0 Gremio 2 +0.1
Coritiba 2 America-RN 0 -0.1
Points
Chance Will Make Playoffs