How are these numbers calculated?

Big Games

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

Week of 2/6100.0*Libertadores100.0*Serie B100.0*Average seed
Atletico-GO 1 Santos 1 -2.6
*No
-0.2
Botafogo 2 Gremio 5 -0.2
Week of 2/13100.0*Libertadores100.0*Serie B100.0*Average seed
Athletico-PR 2 Atletico-GO 1 -1.6
-0.8
Santos 2 Coritiba 0 -0.6
-0.1
Flamengo 2 Corinthians 1 +0.4
+0.0
Palmeiras 3 Fortaleza 0 -0.2
+0.0
Atletico-MG 1 Bahia 1 *No
Week of 2/20100.0*Libertadores100.0*Serie B100.0*Average seed
Palmeiras 1 Atletico-GO 1 -0.3
Coritiba 0 Ceara 2 -0.2
Atletico-GO 3 Coritiba 1 +0.1
Ceara 2 Botafogo 1 -0.1
Sport Recife 2 Atletico-MG 3 +0.0
Corinthians 0 Vasco da Gama 0 +0.0
Goias 0 Bragantino 0 +0.0

* 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