How are these numbers calculated?

Big Games

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

Week of 4/8None
Week of 4/15100.0*Chance in playoffs100.0*Average seed
Estudiantes 2 Deportivo Cuenca 0 In
+0.5
Danubio 1 Lanus 2 -5.0
-0.1
Week of 4/22None
Points
Chance Will Make Playoffs