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*Libertadores100.0*Average seed
Botafogo 1 Internacional 2 +13.9
+1.3
Figueirense 0 Fluminense 4 +2.2
+0.1
Atletico-GO 0 Flamengo 0 +1.0
+0.1
Sao Paulo 3 America-MG 1 -0.7
-0.2
Coritiba 1 Santos 0 +0.2
-0.0
Vasco da Gama 2 Avai 0 -0.1
Week of 11/27100.0*Libertadores100.0*Average seed
Flamengo 1 Internacional 0 -28.6
-1.3
Figueirense 0 Corinthians 1 +6.0
+0.2
Palmeiras 1 Sao Paulo 0 +4.5
+0.2
Atletico-MG 4 Botafogo 0 +3.2
+0.2
Coritiba 1 Avai 0 -1.6
-0.1
Santos 1 Bahia 1 +0.0
Week of 12/4100.0*Libertadores100.0*Average seed
Internacional 1 Gremio 0 +12.6
+1.3
Vasco da Gama 1 Flamengo 1 No
-0.2
Atletico-PR 1 Coritiba 0 +7.8
+0.4
Avai 1 Figueirense 1 +0.1
+0.1
Sao Paulo 4 Santos 1 -0.3
Botafogo 1 Fluminense 1 +0.2
Points
Chance Will Win Championship