How are these numbers calculated?

Big Games

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

Week of 4/5100.0*Chance in playoffs100.0*Average seed
Melgar 1 Colo-Colo 2 -3.7
-0.1
Independiente del Valle 3 Atletico-MG 2 -2.8
-0.4
Week of 4/12100.0*Chance in playoffs100.0*Average seed
Atletico-MG 4 Melgar 0 In
+0.5
Colo-Colo 0 Independiente del Valle 0 In
+0.3
Week of 4/19None
Points
Chance Will Make Playoffs