How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Promoted100.0*Average seed
Baratheons Bast 82.28 You Down With J 146.86 -8.3
-0.1
Jake Took VYs L 110.76 SmallThingToAGi 91.52 -0.5
Week of 11/28100.0*Promoted100.0*Average seed
Favre Waffle Co 142.22 Baratheons Bast 64.8 -38.5
-0.4
Jake Took VYs L 141.5 You Down With J 106.34 -11.2
-0.1
Games Above .500
Chance Will Make Playoffs