How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/7100.0*Chance in playoffs100.0*Average seed
Corinthians 0 Bahia 0 -11.4
-0.7
Guarani 0 Portuguesa 1 -3.0
-0.1
Sport Recife 0 Corinthians 0 -3.0
-0.2
Santos 1 Vitoria 0 +2.5
+0.1
Goias 4 Juventude 1 -1.3
-0.1
Atletico-MG 5 Vasco da Gama 1 -1.1
-0.1
Internacional 2 Parana 1 -1.0
-0.1
Coritiba 0 Flamengo 0 +1.0
+0.1
Vasco da Gama 1 Santos 2 +0.7
+0.1
Sao Paulo 2 Gremio 1 -0.4
-0.1
Criciuma 2 Palmeiras 1 +0.2
Gremio 3 Santos 0 -0.1
Week of 11/14100.0*Chance in playoffs100.0*Average seed
Corinthians 1 Goias 1 -7.7
-0.3
Cruzeiro 3 Sport Recife 1 +1.9
+0.1
Bragantino 3 Sao Paulo 4 -0.9
-0.1
Portuguesa 1 Internacional 2 +0.7
-0.1
Flamengo 3 Fluminense 1 -0.3
-0.1
Palmeiras 2 Atletico-MG 0 +0.2
Vitoria 0 Guarani 1 +0.1
Week of 11/21100.0*Chance in playoffs100.0*Average seed
Flamengo 0 Bahia 1 +0.4
Vitoria 1 Fluminense 3 +0.3
Sao Paulo 1 Cruzeiro 0 -0.2
Corinthians 1 Coritiba 1 -0.0
Portuguesa 4 Botafogo 1 -0.0
Points
Chance Will Make Playoffs