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
Botafogo 0 Parana 0 -0.3
-0.1
-0.4
Guarani 0 Juventude 0 +0.1
Flamengo 1 Vitoria 0 +0.1
Atletico-MG 3 America-RN 2 +0.1
+0.1
Vitoria 1 Cruzeiro 1 +0.1
+0.1
Palmeiras 5 Gremio 1 -0.1
+0.1
Santos 3 Bahia 1 -0.1
+0.1
Coritiba 0 Atletico-PR 2 +0.1
+0.1
Portuguesa 1 Goias 2 -0.2
Criciuma 3 Vasco da Gama 4 +0.1
Sport Recife 2 Bragantino 1 -0.1
Fluminense 2 Criciuma 0 No
+0.1
Sao Paulo 7 Uniao Sao Joao 1 -0.1
Week of 11/1100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Vitoria 2 Santos 0 Out
Corinthians 0 Sport Recife 1 -0.1
Parana 1 Atletico-MG 0 +2.4
Gremio 1 Guarani 4 +0.3
Atletico-PR 2 Internacional 1 -0.2
Santos 2 America-RN 0 +0.2
Flamengo 1 Coritiba 0 +0.1
America-RN 1 Sao Paulo 3 -0.1
Bragantino 1 Uniao Sao Joao 0 -0.1
Vasco da Gama 3 Bahia 1 +0.1
Palmeiras 3 Goias 3 -0.1
Juventude 2 Bragantino 1 -0.0
Portuguesa 2 Criciuma 2 +0.0
Week of 11/8100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Sao Paulo 4 Parana 4 -0.9
Coritiba 2 America-RN 0 +0.3
Goias 0 Corinthians 2 +0.2
Sport Recife 1 Palmeiras 1 +0.1
Botafogo 3 Portuguesa 3 +0.1
Points
Chance Will Make Playoffs