How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/24100.0*Chance in playoffs100.0*Average seed
Wonka 117 Ashley Frazier 105 -3.7
-0.6
buckeye 84 Jean Claude 78 +1.0
Critical Mass 125 Mochmoches 98 -1.0
-0.0
Free-Tailed Bats 105 Dark 86 +1.0
+0.1
Critical Mass 114 Ashley Frazier 94 -0.3
Mochmoches 80 Wonka 44 -0.1
Chewy Heads 83 Turd 67 -0.0
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Ashley Frazier 150 Dark 123 +0.3
Frontrunners 107 Mochmoches 88 +0.2
Critical Mass 79 Jean Claude 110 -0.1
Week of 12/5None
Games Above .500
Chance Will Make Playoffs