How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Libertadores100.0*Serie B100.0*Average seed
Corinthians 1 Vasco da Gama 0 -7.8
+1.2
Atletico-MG 1 Bahia 0 No
+0.1
Vitoria 1 Atletico-PR 2 -1.1
+0.0
America-MG 2 Santos 1 +0.1
+0.1
Atletico-PR 1 Corinthians 0 +0.1
-0.6
Vasco da Gama 2 Sao Paulo 0 +0.1
-0.2
Gremio 2 Chapecoense 0 -0.1
+0.0
Sport Recife 0 Flamengo 1 -0.1
+0.1
Ceara 1 Parana 0 -0.1
Palmeiras 4 America-MG 0 +0.0
Bahia 2 Fluminense 0 +0.0
Botafogo 1 Internacional 0 -0.2
Week of 11/25100.0*Libertadores100.0*Serie B100.0*Average seed
Corinthians 0 Chapecoense 0 -0.2
-0.2
Vasco da Gama 0 Palmeiras 1 -0.1
+0.1
America-MG 1 Bahia 0 +0.1
+0.1
Internacional 2 Fluminense 0 -0.1
+0.1
Atletico-PR 2 Ceara 2 +0.1
Week of 12/1100.0*Libertadores100.0*Serie B100.0*Average seed
Ceara 0 Vasco da Gama 0 +0.5
Gremio 1 Corinthians 0 -0.5
Fluminense 1 America-MG 0 -0.4
Bahia 0 Cruzeiro 0 -0.1
Points
Chance Will Win Championship