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 -11.8
-1.1
Tonto 91 Docinators 118 +2.1
SUV 93 Pyledrivers 122 +1.9
+0.2
Duke 143 Skinny Bastards 111 +1.6
+0.1
Bogus Lump 106 Chupacabras 159 -1.0
+0.1
Swillards 128 Cobbies Army 160 -0.1
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Skinny Bastards 163 Big Daddy 93 -0.7
Bogus Lump 132 Swillards 128 -0.3
Cobbies Army 67 HACK 77 -0.1
Games Above .500
Chance Will Make Playoffs