How are these numbers calculated?

Big Games

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

Week of 11/7100.0*Serie B100.0*Average seed
Criciuma 2 Palmeiras 1 +14.3
-0.3
Fluminense 2 Atletico-PR 3 +10.4
-0.3
Bahia 4 Bragantino 2 -1.3
Corinthians 0 Bahia 0 +1.0
-0.0
Vasco da Gama 1 Santos 2 +0.7
-0.1
Santos 1 Vitoria 0 +0.1
Week of 11/14100.0*Serie B100.0*Average seed
Flamengo 3 Fluminense 1 +15.3
-0.5
Parana 2 Bahia 1 -6.6
+0.1
Vasco da Gama 4 Criciuma 2 -5.1
+0.1
Bragantino 3 Sao Paulo 4 -4.8
+0.1
Week of 11/21100.0*Serie B100.0*Average seed
Vitoria 1 Fluminense 3 -58.3
+1.1
Flamengo 0 Bahia 1 +15.6
-0.3
Atletico-PR 1 Criciuma 2 +5.5
-0.2
Bragantino 1 Internacional 0 -0.4
Points
Chance Will Make Playoffs