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*Serie B100.0*Average seed
Sao Caetano 2 Guarani 0 -0.7
+0.9
-1.6
Sao Paulo 3 Flamengo 1 -0.2
-0.2
Bahia 2 Gama 1 -0.1
-0.1
+0.1
Ponte Preta 1 Juventude 0 -0.1
-0.2
+0.0
Atletico-MG 2 Palmeiras 1 +0.1
Parana 0 Fluminense 1 -0.1
+0.1
Goias 2 Coritiba 1 -0.1
+0.0
Portuguesa 1 Cruzeiro 3 +0.1
+0.1
-0.1
Botafogo-SP 2 Vitoria 0 +0.1
Guarani 1 Parana 0 -1.0
+2.0
Flamengo 1 Internacional 0 +0.6
-0.1
Coritiba 1 Santa Cruz 0 -0.4
-0.1
America-MG 1 Bahia 2 -0.3
+0.1
Gama 4 Atletico-PR 1 +0.3
-0.2
Sport Recife 1 Botafogo-SP 2 +0.2
Juventude 1 Botafogo 3 -0.2
-0.1
Santa Cruz 2 America-MG 1 +0.1
+0.0
Botafogo 2 Corinthians 4 -0.1
Vasco da Gama 2 Gremio 0 -0.2
Cruzeiro 1 Sao Paulo 4 +0.2
Vitoria 1 Goias 0 -0.1
Palmeiras 1 Vasco da Gama 3 -0.1
Corinthians 2 Atletico-MG 2 +0.1
Fluminense 0 Portuguesa 0 +0.0
Week of 11/24100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Fluminense 2 Santos 1 +0.2
Bahia 1 Coritiba 1 +0.1
Week of 12/1100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Guarani 1 Santa Cruz 2 -1.2
Parana 3 Goias 1 -0.3
Vitoria 2 Atletico-PR 4 +0.2
Corinthians 1 Fluminense 2 +0.1
Coritiba 1 Ponte Preta 2 +0.1
Santos 2 Vasco da Gama 2 +0.1
Points
Chance Will Make Playoffs