How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Serie B100.0*Average seed
Vitoria 2 Barueri 1 -2.3
+1.3
Sport Recife 0 Fluminense 3 +1.6
-0.1
Botafogo 3 Sao Paulo 2 +1.2
-0.1
Santos 4 Coritiba 0 -0.3
-0.0
Corinthians 2 Nautico 3 +0.2
+0.1
Santo Andre 4 Avai 2 +0.2
Atletico-PR 1 Cruzeiro 1 +0.1
Flamengo 0 Goias 0 -0.0
Week of 11/29100.0*Serie B100.0*Average seed
Fluminense 4 Vitoria 0 +0.2
-1.2
Atletico-PR 2 Botafogo 0 No
-0.1
Cruzeiro 4 Coritiba 1 No
+0.1
Gremio 4 Barueri 2 +0.2
Corinthians 0 Flamengo 2 +0.2
Goias 4 Sao Paulo 2 -0.1
Avai 2 Santos 2 +0.0
Week of 12/5100.0*Serie B100.0*Average seed
Coritiba 1 Fluminense 1 +0.2
Atletico-MG 0 Corinthians 3 -0.2
Santos 1 Cruzeiro 2 +0.1
Vitoria 2 Goias 2 +0.1
Barueri 0 Atletico-PR 0 +0.1
Points
Chance Will Win Championship