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
SUV 93 Pyledrivers 122 -17.1
-1.2
Tonto 91 Docinators 118 +2.2
+0.1
Swillards 128 Cobbies Army 160 -2.2
Duke 143 Skinny Bastards 111 +2.1
+0.1
Big Daddy 98 HACK 164 +0.9
Bogus Lump 106 Chupacabras 159 -0.8
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Chupacabras 153 SUV 120 Out
-0.8
Tonto 113 Duke 78 -12.5
-0.3
Cobbies Army 67 HACK 77 +12.5
+0.2
Bogus Lump 132 Swillards 128 +6.3
+0.1
Skinny Bastards 163 Big Daddy 93 +6.2
+0.1
Games Above .500
Chance Will Make Playoffs