How are these numbers calculated?

Big Games

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

Week of 10/24100.0*Serie B100.0*Average seed
Goias 2 Juventude 2 +8.1
-0.5
America-MG 2 Atletico-PR 1 +6.6
-0.2
Santos 1 Parana 2 +5.8
-0.2
Ponte Preta 2 Bragantino 2 -3.0
+0.1
Bragantino 1 Juventude 0 -1.2
-0.0
Gremio 2 America-RN 1 -1.1
+0.1
Sao Paulo 1 Corinthians 2 -0.2
+0.1
Sport Recife 2 Botafogo 1 -0.2
+0.1
Flamengo 2 Guarani 1 -0.2
+0.0
America-RN 2 Santos 2 *-0.1
Week of 10/31100.0*Serie B100.0*Average seed
Santos 3 Goias 1 +23.3
-1.2
America-RN 0 Ponte Preta 1 +6.9
-0.2
Palmeiras 3 Parana 2 -5.3
+0.2
Flamengo 2 America-MG 0 -4.6
+0.1
Portuguesa 3 Bragantino 1 -3.0
+0.2
Guarani 1 Gremio 3 -1.2
+0.1
Internacional 0 Botafogo 0 +0.6
Week of 11/7100.0*Serie B100.0*Average seed
Goias 2 Vasco da Gama 2 Yes
-0.3
Parana 2 Flamengo 1 Yes
-0.3
America-MG 1 Palmeiras 1 -8.9
+0.1
Bragantino 0 Vitoria 0 +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