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 +23.8
+1.3
Tonto 91 Docinators 118 +3.2
+0.1
SUV 93 Pyledrivers 122 +3.0
+0.1
Duke 143 Skinny Bastards 111 +2.5
+0.1
Bogus Lump 106 Chupacabras 159 -2.2
-0.1
Big Daddy 98 HACK 164 -0.4
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Cobbies Army 67 HACK 77 -37.5
-0.9
Tonto 113 Duke 78 -12.5
-0.3
Chupacabras 153 SUV 120 +12.5
+0.1
Skinny Bastards 163 Big Daddy 93 -0.1
Bogus Lump 132 Swillards 128 +0.1
Games Above .500
Chance Will Make Playoffs