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
Cerezo Osaka 0 Pohang 2 In
+0.3
Buriram 1 Shandong 0 -0.6
Week of 4/22None
Points
Chance Will Make Playoffs