How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Chance in playoffs100.0*Average seed
Ryan 91.86 Tuck 84.8 +14.8
+1.0
Clib 82.18 Dylan 71.26 +7.3
+0.2
Gallo 122.32 Chris 57.44 -4.3
-0.1
Carlo 75.74 Alex 79.64 +0.5
+0.2
Pepsin 157.86 Shante 73.8 -0.5
-0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Ryan 98.22 Pepsin 67.7 +1.4
Alex 92.36 Tuck 103.64 -0.5
Dylan 91.94 Carlo 70.12 +0.3
Chris 78.06 Clib 79.92 +0.1
Shante 76.5 Gallo 95.3 -0.1
Games Above .500
Chance Will Make Playoffs