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*Libertadores100.0*Average seed
Palmeiras 0 Atletico-MG 2 No
-0.5
Botafogo 1 Internacional 2 -0.1
Goias 1 Santos 4 -0.1
Sao Paulo 1 Fluminense 4 +0.1
Cruzeiro 3 Vasco da Gama 1 +0.0
Week of 11/28100.0*Libertadores100.0*Average seed
Palmeiras 1 Fluminense 2 -0.2
Atletico-GO 1 Sao Paulo 1 +0.1
Ceara 1 Atletico-PR 1 +0.1
Corinthians 2 Vasco da Gama 0 +0.0
Week of 12/5100.0*Libertadores100.0*Average seed
Cruzeiro 2 Palmeiras 1 -0.1
Sao Paulo 4 Atletico-MG 0 -0.1
Points
Chance Will Win Championship