How are these numbers calculated?

Big Games

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

Week of 12/27100.0*Average seed
Northport 75 HHH West 69 -0.1
Riverhead 58 Southampton 62 +0.1

What If

Chances based on how well the Brentwood finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
94-0In10034,210
83-1In9460138,550
72-2In3344194000207,536
61-3In00171928261441000137,839
50-4100.0%01313252919820034,579
Total:100.0%4218835763112210000552,714
Games Above .500
Chance Will Make Playoffs