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
Penapolense 3 Guarani 0 Out
-0.9
+0.0
Mogi Mirim 2 Paulista 0 -0.2
+0.1
A. Sorocaba 3 Mirassol 2 +18.5
-1.3
Paulista 2 Ituano 3 +12.6
-0.1
U. Barbarense 1 Sao Paulo 2 -2.6
+0.1
A. Sorocaba 1 Oeste 0 +2.4
-0.2
Corinthians 2 Sao Bernardo 0 -0.2
+0.1
Week of 4/13100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Ponte Preta 2 Mirassol 0 +18.0
-0.8
Sao Bernardo 1 Mogi Mirim 2 -0.9
+0.1
U. Barbarense 0 Santos 4 -0.6
+0.1
Penapolense 1 Sao Caetano 1 -0.1
-0.0
Sao Paulo 0 XV Piracicaba 1 -0.1
Palmeiras 4 Guarani 1 +0.0
Week of 4/21100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Mirassol 3 Linense 0 -63.3
+1.6
Ituano 2 Palmeiras 1 +3.7
-0.3
Oeste 0 Sao Bernardo 4 +2.0
-0.2
Sao Caetano 0 Paulista 2 +1.5
-0.1
Guarani 1 U. Barbarense 3 -0.3
Points
Chance Will Make Playoffs