How are these numbers calculated?

Big Games

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

Week of 7/22100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Mirassol 0 Ponte Preta 1 +58.0
-56.0
+0.8
Ponte Preta 2 Novorizontino 0 +22.9
-52.5
+0.7
Inter de Limeira 2 Oeste 1 +15.7
-10.0
+0.3
Palmeiras 2 Agua Santa 1 +8.0
-1.6
+0.1
Agua Santa 0 Mirassol 0 -6.9
+14.3
-0.2
Oeste 0 Corinthians 2 +2.5
-0.9
+0.2
Santo Andre 1 Ituano 3 +2.2
Botafogo 2 Guarani 0 +21.6
Ituano 0 Ferroviaria 0 +2.6
Bragantino 2 Botafogo 0 -1.6
Corinthians 1 Palmeiras 0 +0.1
Points
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Week of 7/22100.0*Lottery seed
Mirassol 0 Ponte Preta 1 -4.3
Ponte Preta 2 Novorizontino 0 -2.6
Inter de Limeira 2 Oeste 1 -0.9
Agua Santa 0 Mirassol 0 +0.6
Palmeiras 2 Agua Santa 1 -0.5
Botafogo 2 Guarani 0 +0.4
Oeste 0 Corinthians 2 -0.4
Santo Andre 1 Ituano 3 +0.1
Ituano 0 Ferroviaria 0 +0.1
Bragantino 2 Botafogo 0 -0.0