How are these numbers calculated?

Big Games

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

Week of 11/29100.0*Libertadores100.0*Average seed
Juventude 1 Atletico-MG 0 -2.0
-0.7
Fluminense 2 Sao Caetano 1 +1.8
+0.1
Internacional 3 Flamengo 1 -0.7
-0.1
Goias 3 Santos 0 -0.2
Fortaleza 5 Parana 3 +0.1
Week of 12/6100.0*Libertadores100.0*Average seed
Vitoria 0 Atletico-MG 1 +0.4
Goias 0 Figueirense 3 +0.2
Juventude 2 Sao Caetano 1 +0.1
Fortaleza 2 Coritiba 2 +0.1
Internacional 1 Sao Paulo 1 -0.1
Corinthians 1 Parana 1 +0.0
Week of 12/13100.0*Libertadores100.0*Average seed
Atletico-MG 3 Goias 2 +0.8
Sao Caetano 5 Internacional 0 -0.2
Coritiba 2 Criciuma 0 -0.2
Points
Chance Will Win Championship