How are these numbers calculated?

Big Games

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

Week of 4/6100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Mogi Mirim 2 Paulista 0 Out
+2.3
-0.6
Penapolense 3 Guarani 0 Out
-0.2
Linense 3 Oeste 1 -0.0
+0.0
Paulista 2 Ituano 3 +10.3
-1.3
A. Sorocaba 1 Oeste 0 +1.6
-0.0
A. Sorocaba 3 Mirassol 2 +1.0
+0.0
U. Barbarense 1 Sao Paulo 2 -0.6
+0.0
Corinthians 2 Sao Bernardo 0 -0.4
+0.1
Week of 4/13100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Ponte Preta 2 Mirassol 0 -3.8
+0.1
Penapolense 1 Sao Caetano 1 -3.1
+0.1
Sao Bernardo 1 Mogi Mirim 2 -2.1
+0.2
U. Barbarense 0 Santos 4 -1.3
+0.0
Sao Paulo 0 XV Piracicaba 1 -0.2
Week of 4/21100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Mirassol 3 Linense 0 +11.6
-0.4
Sao Caetano 0 Paulista 2 No
+1.3
Ituano 2 Palmeiras 1 +5.2
-0.4
Oeste 0 Sao Bernardo 4 +3.1
-0.1
Corinthians 2 A. Sorocaba 0 +0.2
Points
Chance Will Make Playoffs