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
Huracan 4 Sporting Cristal 2 +38.8
+0.5
Week of 4/12100.0*Chance in playoffs100.0*Average seed
Huracan 0 Penarol 0 -11.8
-0.1
Sporting Cristal 0 Atletico Nacional 1 +4.9
+0.0
Week of 4/19100.0*Chance in playoffs100.0*Average seed
Atletico Nacional 0 Huracan 0 In
+0.2
Penarol 4 Sporting Cristal 3 In
+0.2
Points
Chance Will Make Playoffs