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
Inter de Limeira 2 Oeste 1 -26.9
+25.3
-0.5
Oeste 0 Corinthians 2 Out
+46.3
-0.7
Mirassol 0 Ponte Preta 1 -17.8
+7.2
-0.3
Palmeiras 2 Agua Santa 1 +14.7
-8.6
+0.3
Ponte Preta 2 Novorizontino 0 -7.6
+5.1
-0.2
Agua Santa 0 Mirassol 0 +2.9
+0.3
+0.0
Bragantino 2 Botafogo 0 -7.3
Santo Andre 1 Ituano 3 +7.2
Botafogo 2 Guarani 0 +4.6
Ferroviaria 2 Inter de Limeira 0 +3.2
Ituano 0 Ferroviaria 0 +1.5
Corinthians 1 Palmeiras 0 +0.3
Points
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 7/22100.0*Lottery seed
Inter de Limeira 2 Oeste 1 +2.3
Oeste 0 Corinthians 2 +2.3
Mirassol 0 Ponte Preta 1 +1.1
Palmeiras 2 Agua Santa 1 -1.0
Ponte Preta 2 Novorizontino 0 +0.5
Santo Andre 1 Ituano 3 +0.2
Bragantino 2 Botafogo 0 -0.2
Botafogo 2 Guarani 0 +0.1
Ferroviaria 2 Inter de Limeira 0 +0.1
Agua Santa 0 Mirassol 0 -0.1
Corinthians 1 Palmeiras 0 +0.1
Santos 1 Santo Andre 1 -0.0