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 Bernardo 1 Santos 4 -8.3
-0.1
Mirassol 1 Ituano 1 +3.8
+0.1
Ponte Preta 1 Corinthians 1 +0.1
No
-0.0
Week of 3/18100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Ponte Preta 1 Novorizontino 2 -17.5
-0.4
Mirassol 2 Santo Andre 3 +9.4
+0.2
Santos 1 Palmeiras 2 +3.7
+0.1
Audax 0 Sao Bento 1 +0.2
Week of 3/25100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Sao Bento 1 Ponte Preta 2 In
+0.3
Novorizontino 0 Mirassol 0 +10.7
+0.1
Santo Andre 0 Santos 1 -3.8
-0.2
Ponte Preta 1 Palmeiras 0 +0.3
Santos 3 Novorizontino 1 -0.1
Points
Chance Will Make Playoffs