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 -3.3
-0.2
Flamengo 1 Vitoria 0 +1.9
+0.1
Palmeiras 5 Gremio 1 -0.9
+0.1
Atletico-MG 3 America-RN 2 +0.9
+0.1
Santos 3 Bahia 1 -0.6
+0.1
Guarani 0 Juventude 0 +0.4
+0.0
Vitoria 1 Cruzeiro 1 +0.2
+0.0
Internacional 4 Flamengo 0 +0.2
Coritiba 0 Atletico-PR 2 +0.1
+0.1
Sao Paulo 7 Uniao Sao Joao 1 -0.1
-0.2
Sport Recife 2 Bragantino 1 -0.1
Portuguesa 1 Goias 2 -0.1
Criciuma 3 Vasco da Gama 4 +0.1
Week of 11/1100.0*Chance in playoffs100.0*Average seed
Cruzeiro 2 Botafogo 3 +7.1
+2.1
Juventude 2 Bragantino 1 -3.7
-0.2
Vitoria 2 Santos 0 -2.5
-0.1
America-RN 1 Sao Paulo 3 +1.1
+0.0
Santos 2 America-RN 0 +0.5
+0.2
Juventude 1 Fluminense 1 +0.4
+0.0
Corinthians 0 Sport Recife 1 -0.1
-0.2
Parana 1 Atletico-MG 0 -0.1
Gremio 1 Guarani 4 +0.1
Palmeiras 3 Goias 3 +0.1
Flamengo 1 Coritiba 0 +0.1
Week of 11/8100.0*Chance in playoffs100.0*Average seed
Atletico-MG 3 Vitoria 2 +7.5
+0.2
Bahia 0 Juventude 0 Out
-0.1
Botafogo 3 Portuguesa 3 Out
-0.4
Sao Paulo 4 Parana 4 +0.8
Sport Recife 1 Palmeiras 1 +0.4
Coritiba 2 America-RN 0 +0.1
Points
Chance Will Make Playoffs