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
Fluminense 2 Portuguesa 0 -4.9
-0.3
Sao Paulo 3 Vitoria 2 +3.0
+0.2
Parana 1 Gremio 1 +0.2
+0.0
Sunday100.0*Chance in playoffs100.0*Average seed
Gama 4 Coritiba 0 Out
-1.6
Ponte Preta 2 Fluminense 3 -5.7
-0.1
Gremio 1 Atletico-MG 0 -5.3
-0.2
Sao Caetano 3 Santos 2 +3.0
+0.2
Cruzeiro 2 Goias 0 -0.3
+0.0
Vitoria 4 Palmeiras 3 -0.3
-0.4
Points
Chance Will Make Playoffs