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
Sport Recife 1 Cruzeiro 0 -32.2
-1.1
Flamengo 2 Atletico-PR 0 -7.9
-0.3
Internacional 2 Palmeiras 1 +7.7
+0.3
Parana 2 Santos 3 -4.1
-0.2
Fluminense 3 Juventude 2 -2.7
-0.1
America-RN 0 Gremio 3 -0.9
-0.0
Sao Paulo 2 Botafogo 2 +0.1
Week of 12/2100.0*Libertadores100.0*Average seed
Santos 2 Fluminense 4 No
-0.5
Palmeiras 1 Atletico-MG 3 +19.3
+0.4
Cruzeiro 2 America-RN 0 +14.5
+0.5
Gremio 1 Corinthians 1 +1.7
+0.1
Points
Chance Will Win Championship