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*Serie B100.0*Average seed
Sport Recife 2 Bragantino 1 -0.0
+8.9
-1.6
Guarani 0 Juventude 0 -0.3
Vitoria 1 Cruzeiro 1 +0.1
Santos 3 Bahia 1 -0.4
+0.1
Botafogo 0 Parana 0 +0.0
Coritiba 0 Atletico-PR 2 +4.1
-0.0
Palmeiras 5 Gremio 1 +0.1
Fluminense 2 Criciuma 0 -3.7
+0.2
Portuguesa 1 Goias 2 +0.8
-0.3
Criciuma 3 Vasco da Gama 4 -0.6
+0.1
Sao Paulo 7 Uniao Sao Joao 1 -0.1
Week of 11/1100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Bragantino 1 Uniao Sao Joao 0 -18.3
+1.4
Atletico-PR 2 Internacional 1 +3.2
-0.3
Gremio 1 Guarani 4 +2.3
-0.0
Corinthians 0 Sport Recife 1 -2.3
+0.1
Corinthians 1 Flamengo 0 +1.9
-0.3
Juventude 2 Bragantino 1 +1.8
-1.3
Portuguesa 2 Criciuma 2 +1.7
-0.0
Vasco da Gama 3 Bahia 1 -1.0
+0.1
Uniao Sao Joao 0 Guarani 1 +0.6
Juventude 1 Fluminense 1 -0.5
+0.0
Flamengo 1 Coritiba 0 +0.1
Cruzeiro 2 Botafogo 3 +0.1
Parana 1 Atletico-MG 0 -0.1
Week of 11/8100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Guarani 3 Vasco da Gama 2 +22.2
-0.7
Criciuma 1 Atletico-PR 1 -6.6
+0.3
Bahia 0 Juventude 0 -6.4
+0.2
Internacional 7 Bragantino 0 +5.3
-1.1
Goias 0 Corinthians 2 +1.0
-0.1
Santos 2 Cruzeiro 2 +0.7
-0.1
Coritiba 2 America-RN 0 +0.4
-0.2
Fluminense 0 Gremio 2 -0.1
Points
Chance Will Make Playoffs