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 -1.9
-0.1
Sao Paulo 3 Vitoria 2 +1.5
+0.1
Parana 1 Gremio 1 +1.4
+0.1
Sunday100.0*Chance in playoffs100.0*Average seed
Ponte Preta 2 Fluminense 3 -10.1
-0.6
Sao Caetano 3 Santos 2 -4.7
-0.7
Gremio 1 Atletico-MG 0 -4.4
-0.4
Gama 4 Coritiba 0 +3.9
+0.2
Cruzeiro 2 Goias 0 +0.2
Atletico-PR 4 Juventude 0 +0.1
Corinthians 1 Vasco da Gama 1 -0.0
Points
Chance Will Make Playoffs