How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 2/2100.0*Chance in playoffs100.0*Average seed
Ramaz 43 SAR 54 -22.3
-0.6
Hillel 56 Heschel 53 +21.6
+0.2
Haftr 43 North Shore 40 -1.8
-0.0
YDE 45 Rambam 31 -1.0
JEC 64 Magen David 79 +0.5
+0.1
If winner is:HomeAway
JEC vs Ramaz-30.4+58.6
-0.8+1.6
MTA vs Heschel+2.1-10.8
+0.1-0.4
Shaare T. vs North Shore-4.3+0.8
If winner is:HomeAway
Week of 2/9100.0*Chance in playoffs100.0*Average seed
Hillel vs Shaare T.-3.9+11.9
-0.2+0.6
Magen David vs North Shore-1.8+5.5
-0.0+0.1
YDE vs Magen David-3.7+2.4

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
41-096.7%841236,254,344
30-17.68177512,046,616
Total:38.1%299125018,300,960
Games Above .500
Chance Will Make Playoffs