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
Harborfields 59 Connetquot 54 +10.1
+1.1
Mt. Sinai 68 Sachem East 58 -0.7
-0.1
Hampton Bays 77 Westhampton 71 +0.6
+0.1
Sayville 52 Hauppauge 59 +0.6
Glenn 56 Kings Park 63 +0.5
Center Moriches 98 BBP 55 +0.1
ESM 47 Smithtown East 57 +0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
106-0In1740321018,744
95-1100.0%031835311120051,675
84-288.701722342510200129,843
73-312.8002102431228100172,623
62-40.00018243423710129,594
51-5Out00212313516351,635
40-6Out011141478,600
Total:35.7%01244699101098975421552,714
Games Above .500
Chance Will Make Playoffs