How are these numbers calculated?

Big Games

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

Week of 10/25100.0*Chance in playoffs100.0*Average seed
Botafogo 0 Parana 0 -2.0
-0.3
Flamengo 1 Vitoria 0 +0.8
+0.1
Guarani 0 Juventude 0 +0.5
+0.0
Vitoria 1 Cruzeiro 1 +0.4
+0.0
Palmeiras 5 Gremio 1 -0.4
+0.1
Atletico-MG 3 America-RN 2 +0.3
+0.1
Santos 3 Bahia 1 -0.3
+0.0
Coritiba 0 Atletico-PR 2 +0.1
Sao Paulo 7 Uniao Sao Joao 1 -0.1
Sport Recife 2 Bragantino 1 -0.1
Portuguesa 1 Goias 2 -0.1
Criciuma 3 Vasco da Gama 4 +0.0
Week of 11/1100.0*Chance in playoffs100.0*Average seed
Cruzeiro 2 Botafogo 3 +3.5
+1.9
Juventude 2 Bragantino 1 -1.9
-0.1
Vitoria 2 Santos 0 -1.3
-0.1
Juventude 1 Fluminense 1 +0.5
+0.0
America-RN 1 Sao Paulo 3 +0.5
Santos 2 America-RN 0 +0.1
+0.2
Corinthians 0 Sport Recife 1 -0.2
Parana 1 Atletico-MG 0 -0.2
Gremio 1 Guarani 4 +0.1
Atletico-PR 2 Internacional 1 -0.1
Palmeiras 3 Goias 3 +0.1
Flamengo 1 Coritiba 0 +0.0
Week of 11/8100.0*Chance in playoffs100.0*Average seed
Atletico-MG 3 Vitoria 2 +1.9
+0.1
Bahia 0 Juventude 0 Out
-0.1
Botafogo 3 Portuguesa 3 Out
-0.1
Sao Paulo 4 Parana 4 +0.8
Sport Recife 1 Palmeiras 1 +0.3
Coritiba 2 America-RN 0 +0.1
Points
Chance Will Make Playoffs