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
Turd 152 Fantastic 81 -16.5
-1.1
Fantastic 102 Frontrunners 88 +13.6
+1.0
buckeye 89 Free-Tailed Bats 87 +4.8
+0.2
Free-Tailed Bats 105 Dark 86 -4.0
-0.1
Chewy Heads 83 Turd 67 +2.9
+0.1
Mochmoches 80 Wonka 44 -1.9
buckeye 84 Jean Claude 78 -1.2
Frontrunners 103 Chewy Heads 80 -0.7
+0.0
Critical Mass 114 Ashley Frazier 94 +0.2
Wonka 117 Ashley Frazier 105 +0.2
Dark 106 Jean Claude 75 -0.1
Critical Mass 125 Mochmoches 98 -0.0
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Fantastic 100 Free-Tailed Bats 94 +25.8
+1.6
buckeye 77 Turd 96 -5.5
-0.2
Critical Mass 79 Jean Claude 110 -0.3
Ashley Frazier 150 Dark 123 +0.1
+0.1
Chewy Heads 90 Wonka 79 -0.1
Week of 12/5100.0*Chance in playoffs100.0*Average seed
Turd 122 Free-Tailed Bats 66 -27.5
-0.9
Fantastic 144 buckeye 103 +17.5
+0.8
Wonka 93 Frontrunners 86 -2.6
Jean Claude 65 Ashley Frazier 135 -0.6
Dark 140 Critical Mass 70 -0.4
Mochmoches 84 Chewy Heads 116 -0.1
Games Above .500
Chance Will Make Playoffs