How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Hardcore Bronies 71.7 Big Bens Lacy P 110.6 -18.1
-0.7
Dawk Night 111.3 Dezperately Wan 106.3 +7.2
+0.3
Mr McGibblets 104.7 Brown Town 73.2 +6.6
+0.1
Yo Adrian 118.9 Team Ramrod 80.6 -3.2
-0.1
How My Skittles 80.6 ...Myballzachertz 137.4 +0.5
+0.0
Week of 11/29100.0*Chance in playoffs100.0*Average seed
...Myballzachertz 128.2 Hardcore Bronies 134.9 +29.7
+1.3
Team Ramrod 98.3 Mr McGibblets 162.4 +4.6
Big Bens Lacy P 146.3 Brown Town 94.6 +4.5
+0.1
Dezperately Wan 101 Yo Adrian 114.9 +3.5
+0.1
Dawk Night 112.2 How My Skittles 146.9 -1.7
-0.1
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Brown Town 232.2 Hardcore Bronies 134.3 -16.3
-1.0
Big Bens Lacy P 148.3 Team Ramrod 129.8 +5.6
+0.2
Dezperately Wan 142.7 Mr McGibblets 84.1 -2.8
-0.1
Yo Adrian 109.6 How My Skittles 107.6 +0.1
Games Above .500
Chance Will Make Playoffs