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
Northport 75 HHH West 69 -1.7
-0.7
Harborfields 59 Connetquot 54 -0.2

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516171819202122232425262728Count
125-0In811917,448
114-1In46513086,388
103-2In265021300172,436
92-3In19303619510172,230
81-493.0%00312273119610086,712
70-513.40021126332061017,500
Total:96.2%182716138653211000552,714
Games Above .500
Chance Will Make Playoffs