How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Serie B100.0*Average seed
Fortaleza 1 Ponte Preta 0 -13.8
+0.2
Sao Caetano 0 Vasco da Gama 1 -2.3
+0.1
Corinthians 1 Fluminense 1 +1.7
-0.1
Juventude 3 Palmeiras 2 -1.2
+0.1
Week of 11/26100.0*Serie B100.0*Average seed
Santa Cruz 1 Fluminense 2 -10.5
+0.3
Goias 3 Ponte Preta 0 -8.9
+0.1
Sao Caetano 0 Parana 2 -1.3
+0.0
Palmeiras 1 Internacional 4 -0.4
+0.1
Week of 12/2100.0*Serie B100.0*Average seed
Fluminense 1 Palmeiras 1 +0.4
Points
Chance Will Win Championship