How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Libertadores100.0*Average seed
Coritiba 1 Santos 0 -2.0
-0.9
Atletico-GO 0 Flamengo 0 +0.5
+0.0
Figueirense 0 Fluminense 4 +0.5
Botafogo 1 Internacional 2 +0.1
-0.1
Sao Paulo 3 America-MG 1 -0.1
Gremio 1 Ceara 3 +0.1
Week of 11/27100.0*Libertadores100.0*Average seed
Flamengo 1 Internacional 0 No
Santos 1 Bahia 1 No
-0.3
Palmeiras 1 Sao Paulo 0 +0.1
Atletico-MG 4 Botafogo 0 +0.2
Coritiba 1 Avai 0 -0.1
Week of 12/4100.0*Libertadores100.0*Average seed
Sao Paulo 4 Santos 1 -0.6
Botafogo 1 Fluminense 1 +0.1
Points
Chance Will Win Championship