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
Big Daddy 98 HACK 164 -4.7
-0.7
Duke 143 Skinny Bastards 111 +2.0
+0.1
SUV 93 Pyledrivers 122 +1.7
+0.2
Tonto 91 Docinators 118 +1.5
+0.0
Bogus Lump 106 Chupacabras 159 -0.9
+0.2
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Skinny Bastards 163 Big Daddy 93 -0.8
Bogus Lump 132 Swillards 128 -0.2
Games Above .500
Chance Will Make Playoffs