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*Chance wins title100.0*Libertadores100.0*Average seed
Figueirense 0 Fluminense 4 +4.3
+17.1
+0.8
Corinthians 2 Atletico-MG 1 -2.0
-0.0
Vasco da Gama 2 Avai 0 -0.4
-0.2
-0.1
Atletico-GO 0 Flamengo 0 +1.9
+0.1
Botafogo 1 Internacional 2 +0.7
+0.0
Sao Paulo 3 America-MG 1 -0.6
Coritiba 1 Santos 0 +0.1
Week of 11/27100.0*Chance wins title100.0*Libertadores100.0*Average seed
Figueirense 0 Corinthians 1 No
Yes
Fluminense 1 Vasco da Gama 2 No
-0.8
-0.4
Flamengo 1 Internacional 0 -0.1
Week of 12/4100.0*Chance wins title100.0*Libertadores100.0*Average seed
Botafogo 1 Fluminense 1 +0.1
Vasco da Gama 1 Flamengo 1 +0.1
Points
Chance Will Win Championship