How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Luke 119.3 Grant 81.5 Out
-0.1
David 152.8 Jordan 93.3 +0.0
Week of 11/26100.0*Chance in playoffs100.0*Average seed
David 113.6 Grant 98.5 -0.0
Week of 12/3None
Games Above .500
Chance Will Make Playoffs