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*Chance in playoffs100.0*Serie B100.0*Average seed
Vitoria 1 Cruzeiro 1 -0.1
-0.8
-0.2
Atletico-MG 3 America-RN 2 +0.0
+0.0
Guarani 0 Juventude 0 +0.0
-0.2
Sao Paulo 7 Uniao Sao Joao 1 -0.1
Sport Recife 2 Bragantino 1 -0.2
-0.0
Coritiba 0 Atletico-PR 2 +1.0
+0.1
Santos 3 Bahia 1 -0.2
+0.1
Botafogo 0 Parana 0 +0.0
Palmeiras 5 Gremio 1 +0.1
Portuguesa 1 Goias 2 +0.5
-0.3
Fluminense 2 Criciuma 0 -0.2
+0.1
Criciuma 3 Vasco da Gama 4 -0.2
+0.1
Week of 11/1100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Cruzeiro 2 Botafogo 3 Out
+0.3
-2.0
Vitoria 2 Santos 0 Out
Corinthians 0 Sport Recife 1 -0.1
Corinthians 1 Flamengo 0 +1.4
-0.2
Uniao Sao Joao 0 Guarani 1 +0.4
Juventude 2 Bragantino 1 -0.4
+0.3
Atletico-PR 2 Internacional 1 +0.4
-0.3
Portuguesa 2 Criciuma 2 +0.4
-0.1
Bragantino 1 Uniao Sao Joao 0 +0.3
-0.2
Juventude 1 Fluminense 1 -0.2
+0.0
Gremio 1 Guarani 4 +0.2
+0.1
Vasco da Gama 3 Bahia 1 -0.2
+0.1
Flamengo 1 Coritiba 0 -0.1
+0.1
Parana 1 Atletico-MG 0 -0.1
Week of 11/8100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Guarani 3 Vasco da Gama 2 +6.0
-0.5
Santos 2 Cruzeiro 2 -2.0
+0.3
Internacional 7 Bragantino 0 -1.7
+0.3
Criciuma 1 Atletico-PR 1 -1.6
+0.2
Bahia 0 Juventude 0 -1.5
+0.2
Goias 0 Corinthians 2 +1.3
-0.3
Coritiba 2 America-RN 0 +0.2
-0.1
Fluminense 0 Gremio 2 -0.2
Points
Chance Will Make Playoffs