How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Bye100.0*Average seed
Wildcats 100 Bandits 71 -4.1
No
-0.3
Gunner 68 Touchers 73 -0.3
+0.0
Giraffes 134 FCB 81 -0.2
+0.2
Real 88 Brough 64 +0.1
Week of 11/25100.0*Chance in playoffs100.0*Bye100.0*Average seed
Bandits 72 Real 107 Out
-0.2
FCB 76 Gunner 89 +0.2
Week of 12/2100.0*Chance in playoffs100.0*Bye100.0*Average seed
Bandits 121 Brough 74 +0.5
Totoro 74 FCB 79 -0.3
Wildcats 76 Gunner 73 +0.2
Games Above .500
Chance Will Make Playoffs