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
ESM 47 Smithtown East 57 -0.7
-0.7
Hampton Bays 77 Westhampton 71 +0.1
Sachem North 53 BBP 62 -0.1
Mt. Sinai 68 Sachem East 58 -0.1
Sayville 52 Hauppauge 59 -0.1
Center Moriches 98 BBP 55 +0.0

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
75-025.8%005213728810013,748
64-10.0017243524810119,225
53-2Out0021231351730405,480
42-3Out019344115663,238
31-4Out022573531,485
20-5Out100166,028
Total:0.2%0000012347111622341,899,204
Games Above .500
Chance Will Make Playoffs