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 +14.8
+0.5
Jeremy 139.4 Eric 125.5 -4.3
David 152.8 Jordan 93.3 +1.9
+0.1
Aidan 114.4 Phoenix 147.5 +1.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Luke 137.8 Phoenix 110 +18.8
+0.4
Jeremy 132.9 Jordan 112.2 -14.2
-0.1
Aidan 126.7 Eric 159.7 -0.4
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Eric 110.8 Luke 130 +37.3
+0.9
Grant 89.8 Jeremy 100.1 -12.6
-0.3
Jordan 117.5 Aidan 123.5 -11.2
-0.2
Games Above .500
Chance Will Make Playoffs