How are these numbers calculated?

Big Games

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

Week of 3/26100.0*Chance in playoffs100.0*Average seed
Sao Bento 1 XV de Piracicaba 0 +9.1
+0.3
Linense 5 Capivariano 0 -4.6
-0.1
Linense 1 Sao Paulo 1 +2.0
+0.0
Ferroviaria 2 Oeste 0 +1.3
Capivariano 1 Sao Bento 1 +1.0
-0.0
Botafogo 1 Audax 1 +0.4
Santos 4 Ferroviaria 1 -0.2
-0.2
Santos 1 Sao Paulo 1 *+0.1
+0.0
Week of 4/2100.0*Chance in playoffs100.0*Average seed
XV de Piracicaba 1 Linense 1 In
+0.1
Audax 2 Sao Bento 1 -3.4
-0.2
Capivariano 3 Santos 5 -0.1
Week of 4/10None

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs