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
Linense 1 Sao Paulo 1 +1.0
Santos 4 Ferroviaria 1 In
+0.2
Linense 5 Capivariano 0 -0.4
Sao Bento 1 XV de Piracicaba 0 -0.1
-0.1
Santos 1 Sao Paulo 1 -0.1
-0.1
Capivariano 1 Sao Bento 1 +0.1
+0.1
Ferroviaria 2 Oeste 0 +0.1
Week of 4/2100.0*Chance in playoffs100.0*Average seed
Audax 2 Sao Bento 1 +0.2
Capivariano 3 Santos 5 +0.0
Week of 4/10None
Points
Chance Will Make Playoffs