How are these numbers calculated?

Big Games

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

Week of 2/21100.0*Chance in playoffs100.0*Average seed
Ituano 2 Sao Paulo 1 -1.7
-0.1
Ituano 1 Red Bull 0 -1.2
-0.1
Bragantino 2 Novorizontino 1 -0.6
Week of 3/3100.0*Chance in playoffs100.0*Average seed
Sao Bento 0 Ituano 1 -2.6
-0.1
Novorizontino 3 Ituano 2 +1.9
+0.1
Ponte Preta 0 Bragantino 1 -0.8
-0.1
Week of 3/7100.0*Chance in playoffs100.0*Average seed
Corinthians 1 Mirassol 0 In
+0.2
Ferroviaria 0 Bragantino 0 +0.1
Points
Chance Will Make Playoffs