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*Serie B100.0*Average seed
Bahia 3 Goias 3 +3.2
-0.1
Week of 2/13100.0*Serie B100.0*Average seed
Vasco da Gama 0 Internacional 2 -11.1
+0.2
Atletico-MG 1 Bahia 1 +5.7
-0.2
Goias 2 Botafogo 0 +4.1
-0.1
Palmeiras 3 Fortaleza 0 -3.6
+0.1
Santos 2 Coritiba 0 *-0.1
Week of 2/20100.0*Serie B100.0*Average seed
Fortaleza 0 Bahia 4 -33.0
+0.9
Corinthians 0 Vasco da Gama 0 -4.7
+0.1
Goias 0 Bragantino 0 No
+0.1
Bahia 2 Santos 0 +0.7
Fluminense 2 Fortaleza 0 +0.3
Athletico-PR 2 Sport Recife 0 +0.1
Sport Recife 2 Atletico-MG 3 +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