How are these numbers calculated?

Big Games

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

Week of 11/25100.0*Chance in playoffs100.0*Average seed
Shawn 107.62 Clib 112.92 -20.5
-1.3
Gallo 114.68 Pepsin 119.68 -3.9
-0.2
Pat 90.94 Dylan 85.94 -2.5
-0.1
Carlo 117.16 Tuck 88.24 -1.6
-0.0
Chris 93.08 Alex 120.12 -0.2
Week of 12/2100.0*Chance in playoffs100.0*Average seed
Gallo 95.04 Shawn 83.6 -47.9
-1.7
Carlo 117.24 Pepsin 97.66 +1.7
+0.0
Chris 80.94 Pat 71.1 +1.6
+0.2
Dylan 100.98 Tuck 79.22 -1.1
-0.1
Alex 105.62 Clib 64.62 -0.1
Games Above .500
Chance Will Make Playoffs