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*Serie A2100.0*Average seed
Bragantino 2 Novorizontino 1 -14.2
+2.5
-0.3
Sao Paulo 0 Ferroviaria 0 +2.5
+0.1
Mirassol 1 Ponte Preta 0 +0.9
Botafogo 1 Linense 1 -0.4
Santos 2 Santo Andre 0 -0.3
Ituano 1 Red Bull 0 -0.2
Week of 3/3100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Novorizontino 3 Ituano 2 +23.5
-4.4
+0.5
Sao Bento 0 Ituano 1 +21.9
+0.2
Red Bull 0 Sao Bento 0 +4.7
+0.2
+0.0
Santo Andre 0 Botafogo 1 -1.3
Week of 3/7100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Novorizontino 2 Santos 1 In
+0.3
Palmeiras 2 Sao Paulo 0 -0.0
Points
Chance Will Make Playoffs