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
Wanderers 1 Kashima 2 +7.7
+0.1
FC Seoul 0 Evergrande 0 -4.0
-0.1
Week of 5/5100.0*Chance in playoffs100.0*Average seed
Kashima 2 FC Seoul 3 In
+0.5
Evergrande 0 Wanderers 2 -17.6
-0.4
Points
Chance Will Make Playoffs