How are these numbers calculated?

Big Games

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

Week of 12/3100.0*Chance in playoffs100.0*Average seed
Alex 101.12 Carlo 66.18 -1.2
-0.6
Chris 78.86 Fred 111.4 +0.3
+0.4
Tuck 62.44 Pepsin 107.54 -0.1
+0.0
Ryan 75.3 Dylan 135.36 +0.1
Week of 12/10100.0*Chance in playoffs100.0*Average seed
Alex 70.64 Chris 108.14 In
+0.3
Carlo 50.42 Pepsin 112.74 -1.4
-0.8
Gallo 85.88 Tuck 78.32 +0.1
+0.1
Games Above .500
Chance Will Make Playoffs