How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Libertadores100.0*Average seed
Parana 1 Internacional 0 +4.3
+0.7
Sao Caetano 0 Vasco da Gama 1 -1.0
-0.2
Cruzeiro 1 Santos 1 -0.5
Gremio 3 Santa Cruz 1 -0.4
Botafogo 2 Goias 2 +0.1
Flamengo 0 Figueirense 2 -0.1
Corinthians 1 Fluminense 1 +0.0
Week of 11/26100.0*Libertadores100.0*Average seed
Sao Caetano 0 Parana 2 +7.9
+0.4
Vasco da Gama 1 Santos 1 +3.1
+0.1
Atletico-PR 1 Figueirense 4 -0.1
Week of 12/2100.0*Libertadores100.0*Average seed
Parana 0 Sao Paulo 0 No
-0.4
Santos 3 Santa Cruz 1 No
-0.2
Figueirense 0 Vasco da Gama 0 +0.2
Points
Chance Will Win Championship