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
Coritiba 0 Atletico-PR 2 -1.2
+1.6
-2.0
Palmeiras 5 Gremio 1 -0.3
+0.2
Guarani 0 Juventude 0 +0.2
-0.2
Atletico-MG 3 America-RN 2 +0.2
+0.1
Santos 3 Bahia 1 -0.1
-0.2
+0.1
Botafogo 0 Parana 0 +0.1
+0.1
Internacional 4 Flamengo 0 +0.1
Vitoria 1 Cruzeiro 1 +0.1
Fluminense 2 Criciuma 0 -0.4
+0.1
Portuguesa 1 Goias 2 +0.3
-0.2
Criciuma 3 Vasco da Gama 4 -0.2
+0.1
Sport Recife 2 Bragantino 1 -0.1
-0.1
Sao Paulo 7 Uniao Sao Joao 1 +0.1
-0.2
Week of 11/1100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Vitoria 2 Santos 0 Out
Cruzeiro 2 Botafogo 3 -0.1
+0.1
Corinthians 0 Sport Recife 1 -0.4
Flamengo 1 Coritiba 0 +1.8
-2.0
Uniao Sao Joao 0 Guarani 1 +1.6
-0.1
Corinthians 1 Flamengo 0 +1.5
-0.2
Atletico-PR 2 Internacional 1 +0.9
-0.2
Juventude 2 Bragantino 1 -0.5
+0.3
Juventude 1 Fluminense 1 -0.4
Vasco da Gama 3 Bahia 1 -0.4
+0.2
Bragantino 1 Uniao Sao Joao 0 +0.4
-0.2
Gremio 1 Guarani 4 +0.3
+0.2
Portuguesa 2 Criciuma 2 +0.1
+0.0
Santos 2 America-RN 0 +0.2
Parana 1 Atletico-MG 0 -0.2
Palmeiras 3 Goias 3 +0.1
America-RN 1 Sao Paulo 3 -0.0
Week of 11/8100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Guarani 3 Vasco da Gama 2 +4.8
-0.3
Coritiba 2 America-RN 0 No
+3.1
Internacional 7 Bragantino 0 -3.5
+0.3
Bahia 0 Juventude 0 -2.9
+0.2
Criciuma 1 Atletico-PR 1 -2.9
+0.2
Goias 0 Corinthians 2 +2.2
-0.2
Santos 2 Cruzeiro 2 +1.2
+0.0
Fluminense 0 Gremio 2 -0.3
Points
Chance Will Make Playoffs