How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Serie B100.0*Average seed
Atletico-PR 1 Cruzeiro 1 *No
+0.0
Vitoria 2 Barueri 1 -1.0
Corinthians 2 Nautico 3 +0.2
Santo Andre 4 Avai 2 +0.1
Santos 4 Coritiba 0 -0.0
Flamengo 0 Goias 0 -0.0
Week of 11/29100.0*Serie B100.0*Average seed
Gremio 4 Barueri 2 -1.0
Fluminense 4 Vitoria 0 +0.2
Corinthians 0 Flamengo 2 +0.1
Goias 4 Sao Paulo 2 -0.1
Atletico-PR 2 Botafogo 0 -0.1
Cruzeiro 4 Coritiba 1 +0.1
Avai 2 Santos 2 +0.0
Week of 12/5100.0*Serie B100.0*Average seed
Barueri 0 Atletico-PR 0 +0.4
Santos 1 Cruzeiro 2 +0.3
Atletico-MG 0 Corinthians 3 -0.2
Vitoria 2 Goias 2 -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 Win Championship