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
Alcoholics 140 Fonzanoons 132 +27.7
+1.2
69ers 179 Juggernauts 174 +7.6
Devils 97 L-Riders 100 -2.4
Attack 139 Turdburglers 149 +2.1
-0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Devils 96 Alcoholics 154 In
+1.1
69ers 130 Attack 94 +5.1
+0.1
Pooh-Stabbers 168 Juggernauts 163 +2.4
+0.0
Turdburglers 131 Sharknado 183 +1.1
+0.0
Fonzanoons 109 L-Riders 128 +0.1
Games Above .500
Chance Will Make Playoffs