How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Libertadores100.0*Serie B100.0*Average seed
Sao Paulo 1 Vasco da Gama 0 -3.2
-0.6
Botafogo 1 Corinthians 0 +1.1
Internacional 2 Fortaleza 2 +0.4
+0.0
Fortaleza 2 Santos 1 -0.2
-0.2
Atletico-MG 0 Athletico-PR 1 +0.1
Goias 4 Bahia 3 -0.1
Fluminense 1 Palmeiras 0 -0.1
Week of 12/1100.0*Libertadores100.0*Serie B100.0*Average seed
Ceara 0 Corinthians 1 No
Vasco da Gama 1 Cruzeiro 0 +0.4
No
+0.8
Atletico-MG 2 Corinthians 1 +0.2
-0.2
Goias 1 Fortaleza 2 -0.1
Avai 1 Fluminense 1 +0.1
Bahia 1 Vasco da Gama 1 -0.2
Atletico-MG 2 Botafogo 0 -0.2
Palmeiras 5 Goias 1 +0.2
CSA 1 Bahia 2 -0.2
Week of 12/8100.0*Libertadores100.0*Serie B100.0*Average seed
Vasco da Gama 1 Chapecoense 1 -0.8
Goias 3 Gremio 2 -0.4
Internacional 2 Atletico-MG 1 +0.3
Points
Chance Will Win Championship