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*Average seed
Agua Santa 0 Mirassol 0 In
+0.1
Inter de Limeira 2 Oeste 1 In
+0.1
Santos 1 Santo Andre 1 -0.1
-0.0
Points
Chance Will Make Playoffs