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
Flamengo 1 Vitoria 0 +0.3
+0.0
Sport Recife 2 Bragantino 1 +0.2
No
+2.0
Palmeiras 5 Gremio 1 +0.1
Atletico-MG 3 America-RN 2 +0.0
Guarani 0 Juventude 0 -0.1
Santos 3 Bahia 1 -0.1
+0.1
Botafogo 0 Parana 0 +0.1
Coritiba 0 Atletico-PR 2 +0.5
+0.1
Portuguesa 1 Goias 2 +0.3
-0.3
Criciuma 3 Vasco da Gama 4 -0.1
+0.1
Sao Paulo 7 Uniao Sao Joao 1 -0.1
Fluminense 2 Criciuma 0 +0.0
Week of 11/1100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Corinthians 0 Sport Recife 1 +1.4
+1.8
Vitoria 2 Santos 0 Out
-0.1
Cruzeiro 2 Botafogo 3 -0.2
-0.1
Santos 2 America-RN 0 +0.2
Parana 1 Atletico-MG 0 -0.2
Gremio 1 Guarani 4 +0.1
Atletico-PR 2 Internacional 1 -0.1
Juventude 2 Bragantino 1 -0.1
Palmeiras 3 Goias 3 +0.1
Flamengo 1 Coritiba 0 +0.0
Week of 11/8100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Sport Recife 1 Palmeiras 1 -0.5
Sao Paulo 4 Parana 4 +0.2
Coritiba 2 America-RN 0 +0.2
Botafogo 3 Portuguesa 3 -0.0
Points
Chance Will Make Playoffs