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
Urawa 1 Suwon 2 In
+0.2
Beijing Guoan 0 Brisbane Roar 1 -7.2
+0.1
Week of 5/5100.0*Chance in playoffs100.0*Average seed
Suwon 1 Beijing Guoan 1 -0.4
Points
Chance Will Make Playoffs