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 +9.2
+0.1
Ponte Preta 2 Palmeiras 6 +8.8
+0.3
Juventude 2 Goias 1 +0.6
Botafogo 2 Cruzeiro 1 +0.1
+0.1
Week of 11/27100.0*Libertadores100.0*Average seed
Internacional 2 Palmeiras 1 -16.5
-0.2
Fluminense 1 Juventude 2 +16.0
+0.2
Flamengo 0 Goias 0 -0.5
+0.0
Week of 12/4100.0*Libertadores100.0*Average seed
Palmeiras 3 Fluminense 2 Yes
+0.6
Points
Chance Will Win Championship