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
Kashiwa 3 Motors 2 In
+0.7
Shandong 3 Becamex 1 -1.3
Week of 5/5None
Points
Chance Will Make Playoffs