How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Serie B100.0*Average seed
Bahia 1 Portuguesa 0 -23.2
+1.5
Vasco da Gama 2 Cruzeiro 1 +3.3
-0.1
Santos 1 Fluminense 0 -2.4
+0.1
Flamengo 1 Corinthians 0 +0.5
-0.1
Criciuma 1 Vitoria 1 -0.3
+0.0
Internacional 0 Coritiba 0 -0.3
+0.0
Ponte Preta 1 Gremio 1 -0.1
Week of 11/30100.0*Serie B100.0*Average seed
Cruzeiro 1 Bahia 2 No
+1.6
Coritiba 2 Botafogo 1 +4.2
-0.2
Criciuma 1 Sao Paulo 0 +3.3
-0.2
Vasco da Gama 2 Nautico 0 +3.2
-0.1
Ponte Preta 0 Portuguesa 2 +1.6
-0.2
Corinthians 0 Internacional 0 +0.1
+0.1
Fluminense 2 Atletico-MG 2 -0.1
+0.0
Vitoria 4 Flamengo 2 +0.1
Week of 12/7100.0*Serie B100.0*Average seed
Bahia 1 Fluminense 2 -1.3
Internacional 0 Ponte Preta 0 +0.2
Botafogo 3 Criciuma 0 +0.2
Nautico 1 Corinthians 0 +0.1
Portuguesa 0 Gremio 0 -0.0
Flamengo 1 Cruzeiro 1 -0.0
Points
Chance Will Win Championship