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
Internacional 3 Flamengo 1 No
-0.8
Juventude 1 Atletico-MG 0 +0.1
+0.1
Fortaleza 5 Parana 3 +0.2
Goias 3 Santos 0 -0.2
Corinthians 1 Bahia 2 +0.1
Criciuma 0 Gremio 2 +0.1
Vasco da Gama 1 Figueirense 0 +0.1
Atletico-PR 3 Guarani 1 +0.0
Week of 12/6100.0*Libertadores100.0*Average seed
Flamengo 1 Ponte Preta 1 -0.2
Guarani 2 Paysandu 1 -0.1
Corinthians 1 Parana 1 +0.1
Atletico-PR 2 Vasco da Gama 2 +0.1
Criciuma 3 Bahia 2 -0.1
Vitoria 0 Atletico-MG 1 -0.1
Week of 12/13100.0*Libertadores100.0*Average seed
Sao Paulo 1 Flamengo 3 +2.3
Parana 2 Vitoria 0 -0.3
Figueirense 2 Guarani 0 -0.2
Atletico-MG 3 Goias 2 +0.2
Paysandu 2 Atletico-PR 2 +0.2
Coritiba 2 Criciuma 0 +0.1
Points
Chance Will Win Championship