How are these numbers calculated?

Big Games

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

Week of 2/6100.0*Libertadores100.0*Serie B100.0*Average seed
Botafogo 2 Gremio 5 -0.7
Atletico-GO 1 Santos 1 +0.6
+0.1
Week of 2/13100.0*Libertadores100.0*Serie B100.0*Average seed
Santos 2 Coritiba 0 -1.3
-0.2
Flamengo 2 Corinthians 1 +1.2
+0.1
Athletico-PR 2 Atletico-GO 1 -0.4
-0.0
Palmeiras 3 Fortaleza 0 -0.2
+0.1
Atletico-MG 1 Bahia 1 No
Week of 2/20100.0*Libertadores100.0*Serie B100.0*Average seed
Ceara 2 Botafogo 1 +1.1
Coritiba 0 Ceara 2 +0.8
Bragantino 1 Gremio 0 -0.3
Atletico-GO 3 Coritiba 1 -0.2
Athletico-PR 2 Sport Recife 0 -0.2
Gremio 1 Athletico-PR 0 +0.1
Goias 0 Bragantino 0 -0.1
Internacional 0 Corinthians 0 +0.1
Fortaleza 0 Bahia 4 +0.0
Corinthians 0 Vasco da Gama 0 -0.0
Palmeiras 1 Atletico-GO 1 +0.0
Points
Chance Will Win Championship