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 +0.7
+0.1
Harborfields 59 Connetquot 54 -0.5
-0.0
Mt. Sinai 68 Sachem East 58 -0.4
Glenn 56 Kings Park 63 +0.3
Hampton Bays 77 Westhampton 71 +0.3
ESM 47 Smithtown East 57 +0.2

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
94-0In3304221400121,717
83-1100.0%017264221400499,976
72-293.60072638236100730,332
61-315.5002133134163000448,200
50-40.00021432331530098,979
Total:72.4%02481416161210842210001,899,204
Games Above .500
Chance Will Make Playoffs