How are these numbers calculated?

Big Games

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

Week of 3/3100.0*Chance in playoffs100.0*Seletiva100.0*Average seed
Bangu 1 Portuguesa 1 +1.9
*-0.0
+0.1
Flamengo 1 Botafogo 0 +1.0
Week of 3/7100.0*Chance in playoffs100.0*Seletiva100.0*Average seed
Portuguesa 1 Cabofriense 2 +11.6
+0.2
Vasco da Gama 0 Fluminense 0 -10.6
-0.3
Boavista 0 Flamengo 3 +5.2
+0.1
Portuguesa 2 Nova Iguacu 1 -4.0
-0.2
Fluminense 2 Nova Iguacu 1 -2.0
-0.2
Volta Redonda 1 Botafogo 1 +1.3
+0.1
Madureira 0 Cabofriense 2 -0.1
Week of 3/17100.0*Chance in playoffs100.0*Seletiva100.0*Average seed
Botafogo 2 Vasco da Gama 3 In
+1.1
Flamengo 4 Portuguesa 0 +14.6
+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 Make Playoffs