How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Thursday100.0*Chance in playoffs100.0*Average seed
Sao Paulo 3 Vitoria 2 +2.3
+0.2
Parana 1 Gremio 1 -1.8
-0.0
Fluminense 2 Portuguesa 0 -0.1
-0.1
Guarani 2 Botafogo 0 -0.1
Sunday100.0*Chance in playoffs100.0*Average seed
Cruzeiro 2 Goias 0 Out
-0.1
Ponte Preta 2 Fluminense 3 Out
-1.6
Gama 4 Coritiba 0 +3.1
+0.1
Vitoria 4 Palmeiras 3 -2.2
-0.3
Corinthians 1 Vasco da Gama 1 +0.2
Flamengo 2 Guarani 2 +0.2
Points
Chance Will Make Playoffs