How are these numbers calculated?

Big Games

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

Week of 1/31100.0*Chance in playoffs100.0*Average seed
Kettle Run/Liberty 2 Loudoun Valley/Woodgrove 3 +1.3
Patriot 10 Battlefield 7 Out
Loudoun County/John Champe 6 Flint Hill 13 -0.6
Madison 2 Independence/Rock Ridge 5 +0.6
Week of 2/7100.0*Chance in playoffs100.0*Average seed
Flint Hill 8 Kettle Run/Liberty 9 -0.5
Week of 2/14None

What If

Chances based on how well the Fauquier/Highlands finish out the regular season.   Explain

If finish:Chance inChance will finish regular season at seed
Games Above .500
Chance Will Make Playoffs