How are these numbers calculated?

Big Games

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

Week of 4/4100.0*Chance in playoffs100.0*Average seed
LDU 4 Universitario 0 +10.7
+0.1
Week of 4/11100.0*Chance in playoffs100.0*Average seed
Rocha 0 Velez Sarsfield 5 In
-0.0
Week of 4/19None
Points
Chance Will Make Playoffs