How are these numbers calculated?

Big Games

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

Week of 5/16100.0*Chance in playoffs100.0*Average seed
The Strongest 1 Santos 1 In
+0.1
Sporting Cristal 0 Santa Fe 2 -1.2
-0.0
Week of 5/24None
Points
Chance Will Make Playoffs