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*Serie A2100.0*Average seed
Santos 4 Ferroviaria 1 +9.8
+0.1
Ferroviaria 2 Oeste 0 -6.6
+0.1
-0.1
Oeste 1 Audax 3 -5.8
-0.3
-0.2
Linense 1 Sao Paulo 1 -2.2
-1.1
-0.1
Botafogo 1 Audax 1 +0.8
+0.1
Sao Bento 1 XV de Piracicaba 0 +0.7
-0.1
+0.0
Santos 1 Sao Paulo 1 +0.5
-0.7
-0.0
XV de Piracicaba 1 Botafogo 1 +0.3
-0.3
Linense 5 Capivariano 0 +0.1
Red Bull 0 Ponte Preta 3 +0.5
Agua Santa 4 Palmeiras 1 +0.5
Rio Claro 1 Sao Bernardo 4 +0.2
Corinthians 2 Ponte Preta 1 -0.1
Agua Santa 0 Ituano 0 -0.1
Week of 4/2100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Sao Paulo 2 Oeste 1 +12.5
No
+0.3
Ferroviaria 0 Botafogo 1 In
+0.1
Audax 2 Sao Bento 1 -1.7
-0.3
Week of 4/10100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Sao Bento 1 Sao Paulo 0 -0.2
Santos 2 Audax 1 +0.1
Points
Chance Will Make Playoffs