How are these numbers calculated?

Big Games

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

Week of 11/15100.0*Chance in playoffs100.0*Average seed
Parana 0 Fluminense 1 +15.0
+1.1
Bahia 2 Gama 1 -2.1
-0.1
America-MG 1 Bahia 2 -2.0
-0.1
Ponte Preta 1 Juventude 0 -1.8
-0.1
Fluminense 0 Portuguesa 0 -1.7
-0.3
Santos 1 Ponte Preta 2 -1.7
-0.1
Atletico-MG 2 Palmeiras 1 +1.7
+0.0
Sao Paulo 3 Flamengo 1 -1.6
-0.1
Vitoria 1 Goias 0 +1.5
+0.1
Cruzeiro 1 Sao Paulo 4 -1.4
-0.2
Goias 2 Coritiba 1 -1.1
-0.1
Portuguesa 1 Cruzeiro 3 +1.1
+0.1
Palmeiras 1 Vasco da Gama 3 +1.0
Flamengo 1 Internacional 2 -0.9
-0.1
Botafogo-SP 2 Vitoria 0 +0.5
Internacional 3 Santos 0 +0.1
-0.1
Gremio 1 Sao Caetano 2 +0.1
Corinthians 2 Atletico-MG 2 +0.0
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Fluminense 2 Santos 1 +19.1
+1.1
Ponte Preta 2 Sport Recife 1 -1.4
-0.1
Vasco da Gama 7 Sao Paulo 1 +1.2
+0.2
Internacional 0 Corinthians 2 +1.0
+0.3
Bahia 1 Coritiba 1 +0.8
+0.0
Atletico-MG 2 Gremio 0 +0.5
+0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Sao Paulo 3 Atletico-MG 0 -1.8
-0.4
Coritiba 1 Ponte Preta 2 -1.0
-0.3
Corinthians 1 Fluminense 2 In
+1.2
Cruzeiro 4 Internacional 2 In
+0.3
Sport Recife 0 Bahia 1 -0.7
-0.1
Gremio 3 Portuguesa 1 -0.4
-0.2
Points
Chance Will Make Playoffs