How are these numbers calculated?

Big Games

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

Week of 2/20100.0*Chance in playoffs100.0*Grupo D100.0*Average seed
Botafogo 2 Cabofriense 1 +0.0
-0.0
+0.1
Fluminense 1 Flamengo 2 -0.1
Botafogo 2 Fluminense 0 In
No
+0.1
Cabofriense 0 Flamengo 1 -0.1
Week of 2/27100.0*Chance in playoffs100.0*Grupo D100.0*Average seed
Flamengo 5 Resende 0 -0.0
Vasco da Gama 1 Botafogo 1 -0.0
Week of 3/5100.0*Chance in playoffs100.0*Grupo D100.0*Average seed
Boavista 0 Botafogo 1 +0.3
Flamengo 3 Bangu 1 -0.1
Points
Chance Will Make Playoffs