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
Swillards 128 Cobbies Army 160 -6.4
-0.7
SUV 93 Pyledrivers 122 +1.3
+0.1
Duke 143 Skinny Bastards 111 +1.2
Big Daddy 98 HACK 164 +0.5
Tonto 91 Docinators 118 +0.5
Bogus Lump 106 Chupacabras 159 +0.1
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Pyledrivers 135 Docinators 98 -0.5
Tonto 113 Duke 78 +0.2
Bogus Lump 132 Swillards 128 -0.2
Games Above .500
Chance Will Make Playoffs