How are these numbers calculated?

Big Games

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

Week of 11/15100.0*Chance in playoffs100.0*Average seed
Vitoria 1 Goias 0 -15.7
-1.2
Goias 2 Coritiba 1 +13.7
+1.7
Santos 1 Ponte Preta 2 -3.9
-0.0
America-MG 1 Bahia 2 -3.7
-0.1
Flamengo 1 Internacional 0 +3.2
+0.1
Cruzeiro 1 Sao Paulo 4 -3.0
-0.1
Bahia 2 Gama 1 -1.7
-0.1
Ponte Preta 1 Juventude 0 -1.5
-0.1
Sao Paulo 3 Flamengo 1 -1.4
-0.1
Palmeiras 1 Vasco da Gama 3 +1.3
+0.1
Atletico-MG 2 Palmeiras 1 +1.1
+0.1
Parana 0 Fluminense 1 -1.1
+0.0
Portuguesa 1 Cruzeiro 3 +0.6
+0.1
Fluminense 0 Portuguesa 0 +0.5
+0.0
Internacional 3 Santos 0 -0.4
+0.0
Botafogo-SP 2 Vitoria 0 +0.2
+0.1
Vasco da Gama 2 Gremio 0 -0.1
-0.1
Sao Caetano 2 Guarani 0 +0.0
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Fluminense 2 Santos 1 -0.6
+0.1
Bahia 1 Coritiba 1 +0.1
+0.0
Portuguesa 2 Botafogo 1 -0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Parana 3 Goias 1 Out
-0.9
Sport Recife 0 Bahia 1 Out
-0.1
Cruzeiro 4 Internacional 2 +3.8
+0.4
Flamengo 2 Palmeiras 0 +0.3
Santos 2 Vasco da Gama 2 +0.2
Gremio 3 Portuguesa 1 +0.1
Points
Chance Will Make Playoffs