How are these numbers calculated?

Big Games

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

Week of 3/10100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Sao Bento 0 Linense 1 +11.3
-2.0
+0.2
Novorizontino 2 Ferroviaria 0 +2.9
-0.1
+0.0
Week of 3/18100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Corinthians 1 Red Bull 1 +3.2
No
+0.0
Sao Paulo 1 Ituano 1 +0.8
+0.1
Ferroviaria 1 Corinthians 0 -0.8
Week of 3/25100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Linense 1 Sao Bernardo 0 +24.3
+0.4
Red Bull 0 Botafogo 2 In
+0.1
Ferroviaria 3 Ituano 1 -2.9
-0.1
Sao Paulo 1 Corinthians 1 +0.6
+0.1
Sao Bernardo 0 Sao Paulo 1 -0.3
Corinthians 3 Linense 1 -0.2
Points
Chance Will Make Playoffs