How are these numbers calculated?

Big Games

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

Week of 3/11100.0*Chance in playoffs100.0*Seletiva100.0*Average seed
Boavista 0 Fluminense 3 -0.6
-0.1
+0.1
Botafogo 2 Madureira 1 -0.1
-0.0
-0.1
Week of 3/19100.0*Chance in playoffs100.0*Seletiva100.0*Average seed
Bangu 2 Americano 0 -3.8
-0.1
Cabofriense 1 Volta Redonda 1 Out
-0.2
Botafogo 4 Portuguesa 1 -0.1
Resende 0 Vasco da Gama 2 +0.1
Week of 3/23100.0*Chance in playoffs100.0*Seletiva100.0*Average seed
Americano 2 Botafogo 2 +0.2
Volta Redonda 2 Boavista 4 -0.1
Madureira 0 Cabofriense 0 -0.1
Points
Chance Will Make Playoffs