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 +32.5
-46.4
+0.6
Palmeiras 2 Agua Santa 1 +23.6
-7.0
+0.3
Inter de Limeira 2 Oeste 1 +11.9
-5.3
+0.3
Ponte Preta 2 Novorizontino 0 +11.5
-29.3
+0.4
Oeste 0 Corinthians 2 +3.6
-4.0
+0.3
Agua Santa 0 Mirassol 0 -1.7
+1.9
-0.1
Botafogo 2 Guarani 0 +7.1
Bragantino 2 Botafogo 0 -7.0
Santo Andre 1 Ituano 3 +5.1
Ituano 0 Ferroviaria 0 +2.6
Ferroviaria 2 Inter de Limeira 0 +1.3
Corinthians 1 Palmeiras 0 +1.0
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 -2.9
Ponte Preta 2 Novorizontino 0 -1.5
Palmeiras 2 Agua Santa 1 -1.4
Inter de Limeira 2 Oeste 1 -0.7
Oeste 0 Corinthians 2 -0.5
Botafogo 2 Guarani 0 +0.3
Bragantino 2 Botafogo 0 -0.2
Santo Andre 1 Ituano 3 +0.2
Agua Santa 0 Mirassol 0 +0.1
Ferroviaria 2 Inter de Limeira 0 +0.1
Corinthians 1 Palmeiras 0 +0.1
Ituano 0 Ferroviaria 0 +0.0