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 +15.0
-0.5
+0.3
Mirassol 1 Ituano 1 +4.7
+0.1
Audax 1 Red Bull 2 +1.0
+0.1
+0.1
Ponte Preta 1 Corinthians 1 -0.2
Novorizontino 2 Ferroviaria 0 -0.1
Week of 3/17100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Sao Bento 0 Santos 2 +16.2
No
+0.3
Mirassol 2 Santo Andre 3 +12.0
+0.2
Ponte Preta 1 Novorizontino 2 +9.1
+0.2
Santos 1 Palmeiras 2 -8.3
-0.2
Palmeiras 2 Mirassol 0 +3.7
+0.1
Santo Andre 3 Ponte Preta 3 +3.0
+0.1
Audax 0 Sao Bento 1 +0.2
Novorizontino 2 Audax 2 +0.1
Week of 3/25100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Santo Andre 0 Santos 1 +8.3
+0.3
Novorizontino 0 Mirassol 0 +2.8
+0.1
Ponte Preta 1 Palmeiras 0 -0.3
Santos 3 Novorizontino 1 +0.1
Sao Bento 1 Ponte Preta 2 -0.1
Points
Chance Will Make Playoffs