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
Fortaleza 5 Fluminense 1 -10.7
-0.4
Ponte Preta 2 Palmeiras 6 -7.0
-0.1
Juventude 2 Goias 1 +0.4
+0.2
Botafogo 2 Cruzeiro 1 +0.2
Week of 11/27100.0*Libertadores100.0*Average seed
Fluminense 1 Juventude 2 -17.4
-0.3
Internacional 2 Palmeiras 1 +15.0
+0.2
Flamengo 0 Goias 0 -0.9
Week of 12/4100.0*Libertadores100.0*Average seed
Palmeiras 3 Fluminense 2 No
-0.6
Points
Chance Will Win Championship