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*Chance in playoffs100.0*Average seed
Sayville 52 Hauppauge 59 -12.4
-1.3
Harborfields 59 Connetquot 54 -0.8
-0.1
Center Moriches 98 BBP 55 +0.5
Mt. Sinai 68 Sachem East 58 -0.5

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
106-0In424214208,675
95-1In321382981051,383
84-2100.0%0162236268100129,340
73-374.2002102834205100172,981
62-40.10017233524810129,461
51-5Out02113136163052,255
40-6Out062746208,619
Total:57.5%135810911116368754210552,714
Games Above .500
Chance Will Make Playoffs