How are these numbers calculated?

Big Games

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

Wednesday100.0*Chance in playoffs100.0*Average seed
Coritiba 1 Figueirense 2 +5.5
+0.2
Internacional 0 Cruzeiro 1 -3.2
-0.3
Vasco da Gama 2 Ponte Preta 0 +2.7
+0.2
Atletico-MG 6 Gama 4 -2.2
-0.1
Thursday100.0*Chance in playoffs100.0*Average seed
Sao Paulo 3 Vitoria 2 -11.3
-0.7
Fluminense 2 Portuguesa 0 -1.5
-0.2
Parana 1 Gremio 1 -1.1
-0.0
Sunday100.0*Chance in playoffs100.0*Average seed
Cruzeiro 2 Goias 0 Out
-0.2
Ponte Preta 2 Fluminense 3 Out
+0.0
Vitoria 4 Palmeiras 3 +2.5
+1.4
Gama 4 Coritiba 0 +2.0
+0.2
Corinthians 1 Vasco da Gama 1 +0.1
Flamengo 2 Guarani 2 +0.1
Points
Chance Will Make Playoffs