How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Libertadores100.0*Average seed
America-RN 0 Gremio 3 +10.9
+1.0
Flamengo 2 Atletico-PR 0 -6.6
-0.2
Sport Recife 1 Cruzeiro 0 +4.2
+0.2
Internacional 2 Palmeiras 1 +4.1
+0.1
Parana 2 Santos 3 -2.9
-0.1
Fluminense 3 Juventude 2 -1.4
-0.3
Sao Paulo 2 Botafogo 2 +0.1
Week of 12/2100.0*Libertadores100.0*Average seed
Santos 2 Fluminense 4 No
-0.3
Cruzeiro 2 America-RN 0 -10.7
-0.3
Palmeiras 1 Atletico-MG 3 +7.6
+0.3
Gremio 1 Corinthians 1 -6.1
+0.1
Points
Chance Will Win Championship