How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Chance in playoffs100.0*Average seed
Chipmunks 54.12 Dogs 147.74 +9.1
+1.2
Weenies 69.16 Bombers 88.48 -1.9
+0.1
Exits 90.18 Fighters 126.72 -1.3
-0.2
9ers 116.38 Finest 75.12 -1.1
+0.1
Nappers 137.3 Vermin 109.58 +1.0
+0.0
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Bombers 154.8 Dogs 101.02 -0.3
-1.1
Exits 122.08 9ers 162.68 -0.3
-0.1
Nappers 131.3 Weenies 125.74 In
+0.1
Vermin 154.76 Finest 99.4 -0.1
+0.1
Chipmunks 98.9 Fighters 104.62 +0.1
-0.0
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Nappers 126.76 Dogs 111.44 -1.7
Exits 170.46 Finest 124.48 +0.2
Games Above .500
Chance Will Make Playoffs