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
Mirassol 1 Ponte Preta 0 +7.5
+5.8
+0.2
Santos 2 Santo Andre 0 +2.7
-2.0
+0.1
Sao Paulo 0 Ferroviaria 0 +1.7
+0.1
+0.0
Ituano 2 Sao Paulo 1 +1.0
+1.9
Botafogo 1 Linense 1 -1.7
Bragantino 2 Novorizontino 1 +0.6
Week of 3/3100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Palmeiras 0 Sao Caetano 1 +35.3
-15.9
+0.7
Ponte Preta 0 Bragantino 1 +14.4
-2.6
+0.2
Santo Andre 0 Botafogo 1 +4.9
-4.9
+0.2
Novorizontino 3 Ituano 2 +0.5
Red Bull 0 Sao Bento 0 +0.5
Week of 3/7100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Red Bull 0 Ponte Preta 0 In
+0.1
Linense 1 Santo Andre 0 +2.5
No
+0.0
Sao Caetano 0 Botafogo 0 +2.4
-0.1
Palmeiras 2 Sao Paulo 0 +0.1
+0.1
Sao Paulo 3 Red Bull 1 -0.2
Bragantino 1 Sao Caetano 1 +0.2
Points
Chance Will Make Playoffs