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
David 152.8 Jordan 93.3 -0.8
-0.1
Luke 119.3 Grant 81.5 -0.3
Jeremy 139.4 Eric 125.5 -0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Aidan 126.7 Eric 159.7 Out
-0.1
Jeremy 132.9 Jordan 112.2 Out
-0.1
Luke 137.8 Phoenix 110 Out
David 113.6 Grant 98.5 +0.0
Week of 12/3None
Games Above .500
Chance Will Make Playoffs