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*Serie B100.0*Average seed
Portuguesa 1 Cruzeiro 3 -9.0
+1.8
Bahia 2 Gama 1 -0.6
+0.1
Sao Paulo 3 Flamengo 1 -1.9
+0.1
Ponte Preta 1 Juventude 0 -1.1
+0.1
Vasco da Gama 2 Gremio 0 *+0.1
-0.1
Botafogo-SP 2 Vitoria 0 +0.9
Cruzeiro 1 Sao Paulo 4 +0.7
-1.6
Botafogo 2 Corinthians 4 -0.4
-0.0
Flamengo 1 Internacional 2 -0.2
+0.0
Coritiba 1 Santa Cruz 0 -0.2
-0.1
Gama 4 Atletico-PR 1 +0.2
-0.2
America-MG 1 Bahia 2 -0.2
+0.1
Sport Recife 1 Botafogo-SP 2 +0.1
Juventude 1 Botafogo 3 -0.1
-0.1
Guarani 1 Parana 0 -0.1
Santa Cruz 2 America-MG 1 +0.1
Vitoria 1 Goias 0 -0.1
Sao Caetano 2 Guarani 0 +0.1
Palmeiras 1 Vasco da Gama 3 -0.1
Corinthians 2 Atletico-MG 2 +0.1
Parana 0 Fluminense 1 +0.1
Goias 2 Coritiba 1 +0.0
Fluminense 0 Portuguesa 0 +0.0
Week of 11/24100.0*Serie B100.0*Average seed
Palmeiras 2 Cruzeiro 1 +0.6
-1.3
Botafogo-SP 0 Parana 2 -0.2
-0.2
Santa Cruz 1 Vitoria 1 -0.2
Sao Caetano 2 Flamengo 0 -0.2
Juventude 2 Gama 1 +0.2
+0.1
Goias 3 America-MG 0 -0.1
+0.0
Portuguesa 2 Botafogo 1 +0.2
Internacional 0 Corinthians 2 -0.2
Atletico-PR 2 Guarani 2 -0.0
Week of 12/1100.0*Serie B100.0*Average seed
Cruzeiro 4 Internacional 2 +1.0
Botafogo 2 Sao Caetano 4 +0.3
Gama 5 Botafogo-SP 0 -0.3
America-MG 1 Juventude 1 -0.1

* 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