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
Sporting Cristal 0 Santa Fe 2 -6.1
-0.1
The Strongest 1 Santos 1 -1.3
-0.2
Week of 5/24None
Points
Chance Will Make Playoffs