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
Santos 1 Fluminense 0 No
+1.0
Bahia 1 Portuguesa 0 +0.0
Internacional 0 Coritiba 0 +0.1
Atletico-MG 4 Goias 1 -0.1
Sao Paulo 1 Botafogo 1 +0.0
Flamengo 1 Corinthians 0 +0.0
Week of 11/30100.0*Serie B100.0*Average seed
Santos 2 Atletico-PR 1 +0.7
Criciuma 1 Sao Paulo 0 +0.2
Corinthians 0 Internacional 0 +0.1
Vitoria 4 Flamengo 2 +0.1
Fluminense 2 Atletico-MG 2 +0.0
Week of 12/7100.0*Serie B100.0*Average seed
Goias 0 Santos 3 +0.4
Atletico-MG 2 Vitoria 2 +0.1
Points
Chance Will Win Championship