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*Average seed
Sao Paulo 1 Vasco da Gama 0 +1.5
+0.4
Goias 4 Bahia 3 +0.4
Botafogo 1 Corinthians 0 +0.3
+0.1
Fortaleza 2 Santos 1 -0.1
Internacional 2 Fortaleza 2 +0.1
+0.1
Ceara 1 Sao Paulo 1 -0.1
-0.2
Atletico-MG 0 Athletico-PR 1 -0.1
Palmeiras 1 Gremio 2 -0.1
Week of 12/1100.0*Libertadores100.0*Average seed
Gremio 3 Sao Paulo 0 -0.1
-0.6
Goias 1 Fortaleza 2 Yes
Atletico-MG 2 Corinthians 1 +0.1
+0.1
Sao Paulo 2 Internacional 1 +0.4
Athletico-PR 1 Santos 0 -0.1
Ceara 0 Corinthians 1 -0.1
Gremio 2 Cruzeiro 0 -0.0
Week of 12/8None
Points
Chance Will Win Championship