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*Serie B100.0*Average seed
Coritiba 0 Atletico-PR 2 +5.1
-0.1
Fluminense 2 Criciuma 0 -2.2
+0.1
Criciuma 3 Vasco da Gama 4 -1.8
+0.2
Sport Recife 2 Bragantino 1 -1.5
Santos 3 Bahia 1 -1.1
+0.1
Guarani 0 Juventude 0 -1.1
+0.0
Portuguesa 1 Goias 2 +0.8
-0.2
Sao Paulo 7 Uniao Sao Joao 1 +0.2
-0.1
Vitoria 1 Cruzeiro 1 +0.2
Botafogo 0 Parana 0 *+0.1
Palmeiras 5 Gremio 1 +0.1
Week of 11/1100.0*Serie B100.0*Average seed
Corinthians 1 Flamengo 0 -32.2
+1.8
Corinthians 0 Sport Recife 1 +17.1
-1.8
Uniao Sao Joao 0 Guarani 1 +5.4
-0.2
Bragantino 1 Uniao Sao Joao 0 +5.1
-0.2
Vasco da Gama 3 Bahia 1 -3.6
+0.2
Atletico-PR 2 Internacional 1 +3.3
-0.2
Gremio 1 Guarani 4 +3.2
-0.1
Juventude 1 Fluminense 1 -2.1
+0.1
Juventude 2 Bragantino 1 -1.5
+0.2
Portuguesa 2 Criciuma 2 -1.3
+0.0
Flamengo 1 Coritiba 0 -0.2
+0.1
Cruzeiro 2 Botafogo 3 -0.2
+0.1
Palmeiras 3 Goias 3 +0.1
Week of 11/8100.0*Serie B100.0*Average seed
Goias 0 Corinthians 2 No
+3.0
Guarani 3 Vasco da Gama 2 +10.4
-0.4
Internacional 7 Bragantino 0 -6.5
+0.3
Bahia 0 Juventude 0 -6.3
+0.2
Criciuma 1 Atletico-PR 1 -6.3
+0.4
Coritiba 2 America-RN 0 +0.8
-0.3
Santos 2 Cruzeiro 2 +0.8
+0.1
Fluminense 0 Gremio 2 -0.2

* 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