How are these numbers calculated?

Big Games

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

Week of 10/23100.0*Chance in playoffs100.0*Average seed
Coritiba 2 Palmeiras 1 +10.7
+1.5
Gama 1 Coritiba 1 -6.4
-0.4
Vitoria 2 Parana 0 -1.3
-0.0
Parana 4 Atletico-MG 1 +1.1
Portuguesa 2 Flamengo 3 -1.0
-0.2
Ponte Preta 2 Portuguesa 1 -0.9
Flamengo 0 Cruzeiro 2 +0.5
+0.1
Atletico-PR 2 Corinthians 2 +0.4
+0.0
Juventude 2 Vasco da Gama 1 +0.2
Gremio 2 Sport Recife 1 -0.1
Week of 10/30100.0*Chance in playoffs100.0*Average seed
Parana 1 Sao Paulo 2 -2.0
-0.1
Corinthians 0 Atletico-MG 4 -1.5
-0.2
Vasco da Gama 2 Atletico-PR 1 +1.3
+0.1
Palmeiras 0 Guarani 0 +0.9
+0.0
Guarani 1 Vitoria 2 -0.5
Santos 2 Gremio 1 -0.4
-0.1
Cruzeiro 2 Botafogo-SP 1 -0.2
Sao Paulo 1 Ponte Preta 0 -0.2
Botafogo 3 Gama 1 +0.1
+0.1
Week of 11/7100.0*Chance in playoffs100.0*Average seed
Coritiba 1 Juventude 1 -8.9
-0.4
Corinthians 3 Coritiba 2 Out
-1.5
Internacional 1 Palmeiras 0 +7.1
+0.2
Atletico-MG 2 Gremio 0 -6.0
-0.2
Vitoria 0 Sao Paulo 3 -4.6
-0.1
Juventude 3 Flamengo 1 +3.7
+0.3
Santos 3 Cruzeiro 3 +3.7
+0.1
Corinthians 1 Ponte Preta 2 -1.3
-0.1
Flamengo 0 Santos 1 +0.8
-0.1
Sport Recife 1 Vitoria 1 -0.3
Atletico-PR 3 Sport Recife 1 -0.3
Cruzeiro 5 Parana 2 +0.0
Points
Chance Will Make Playoffs