How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Serie B100.0*Average seed
Atletico-MG 4 Goias 1 +23.9
-0.4
Corinthians 0 Vasco da Gama 1 -18.0
+0.2
Parana 2 Santos 3 -4.5
+0.2
Figueirense 2 Nautico 0 -1.1
+0.1
Fluminense 3 Juventude 2 -0.2
+0.0
Sport Recife 1 Cruzeiro 0 *+0.1
Week of 12/2100.0*Serie B100.0*Average seed
Goias 2 Internacional 1 -34.5
+0.5
Gremio 1 Corinthians 1 -6.5
+0.0
Vasco da Gama 3 Parana 0 -3.6
+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 Win Championship