How are these numbers calculated?

Big Games

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

Week of 4/15100.0*Chance in playoffs100.0*Average seed
Al-Ittihad 2 Tractor Sazi 0 +35.4
+0.7
Lekhwiya 0 Al-Ain 5 -1.1
-0.0
Week of 4/22100.0*Chance in playoffs100.0*Average seed
Al-Ain 1 Al-Ittihad 1 -0.3
Points
Chance Will Make Playoffs