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
Santos 1 Ponte Preta 2 +27.6
+1.5
Ponte Preta 1 Juventude 0 +20.4
+1.8
America-MG 1 Bahia 2 -5.5
-0.2
Cruzeiro 1 Sao Paulo 4 -3.1
-0.1
Flamengo 1 Internacional 0 +3.0
+0.1
Bahia 2 Gama 1 -2.8
-0.2
Sao Paulo 3 Flamengo 1 -2.6
-0.1
Vitoria 1 Goias 0 +2.5
+0.1
Atletico-MG 2 Palmeiras 1 +2.2
+0.1
Parana 0 Fluminense 1 -1.8
-0.1
Palmeiras 1 Vasco da Gama 3 +1.6
+0.1
Goias 2 Coritiba 1 -1.4
-0.1
Portuguesa 1 Cruzeiro 3 +1.2
+0.1
Botafogo-SP 2 Vitoria 0 +0.8
+0.1
Internacional 3 Santos 0 -0.5
Fluminense 0 Portuguesa 0 +0.4
+0.1
Vasco da Gama 2 Gremio 0 -0.1
-0.1
Sao Caetano 2 Guarani 0 *+0.1
+0.0
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Fluminense 2 Santos 1 -7.2
-0.2
Bahia 1 Coritiba 1 +0.9
+0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Coritiba 1 Ponte Preta 2 +0.9
Sport Recife 0 Bahia 1 -0.4
Gremio 3 Portuguesa 1 -0.3
Sao Paulo 3 Atletico-MG 0 -0.3

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs