How are these numbers calculated?

Big Games

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

Week of 4/21100.0*Chance in playoffs100.0*Average seed
Al-Ahli Saudi 2 Al-Ahli Dubai 1 In
+0.3
Tractor Sazi 1 Nasaf Qarshi 2 -3.8
Week of 5/5None
Points
Chance Will Make Playoffs