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
Flamengo 2 Atletico-PR 0 +32.1
+1.2
Sport Recife 1 Cruzeiro 0 +6.5
+0.2
Internacional 2 Palmeiras 1 +5.3
+0.2
America-RN 0 Gremio 3 -2.8
-0.1
Fluminense 3 Juventude 2 -2.7
-0.1
Parana 2 Santos 3 -1.9
-0.2
Sao Paulo 2 Botafogo 2 +0.6
+0.0
Week of 12/2100.0*Libertadores100.0*Average seed
Nautico 1 Flamengo 0 -0.4
Santos 2 Fluminense 4 +0.1
Palmeiras 1 Atletico-MG 3 +0.1
Points
Chance Will Win Championship