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 2 Botafogo 2 No
-0.1
Internacional 2 Palmeiras 1 +0.4
-0.3
Sport Recife 1 Cruzeiro 0 +0.4
-0.1
Flamengo 2 Atletico-PR 0 -0.3
+0.1
America-RN 0 Gremio 3 -0.2
-0.1
Fluminense 3 Juventude 2 -0.2
-0.2
Figueirense 2 Nautico 0 -0.2
Atletico-MG 4 Goias 1 -0.1
Corinthians 0 Vasco da Gama 1 -0.1
Week of 12/2100.0*Libertadores100.0*Average seed
Botafogo 1 Figueirense 1 +0.6
Palmeiras 1 Atletico-MG 3 -0.4
Goias 2 Internacional 1 +0.4
Vasco da Gama 3 Parana 0 -0.2
Atletico-PR 2 Sao Paulo 1 -0.2
Juventude 2 Sport Recife 1 +0.2
Points
Chance Will Win Championship