How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 10/14100.0*Chance in playoffs100.0*Average seed
Nashville vs Minnesota+9.1-9.1
+1.0-1.0
Vegas vs Montreal-0.6+0.6
-0.1+0.1
San Jose vs Tampa Bay-0.6+0.6
-0.1+0.1
Buffalo vs Quebec City+0.5-0.5
+0.1-0.1
Calgary vs Washington-0.5+0.5
-0.1+0.1
Arizona vs Pittsburgh-0.5+0.5
Columbus vs St. Louis+0.5-0.5
+0.1-0.1
Detroit vs Colorado+0.5-0.5
+0.1-0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Edmonton vs Nashville-8.9+8.9
-0.9+0.9
Tampa Bay vs Arizona+0.6-0.6
+0.1-0.1
Philadelphia vs Los Angeles+0.5-0.6
+0.1-0.1
Dallas vs New York R-0.5+0.5
-0.1+0.1
Colorado vs Columbus-0.5+0.5
-0.1+0.1
Washington vs Chicago+0.5-0.5
+0.1-0.1
Montreal vs Vancouver+0.4-0.4
St. Louis vs Boston-0.4+0.4
-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
34-38In100351*
3216-3In9911,542
3015-4In94606,067
2814-5In7919200018,562
2613-6In473711040043,365
2412-7100.0%153127318610079,906
2211-898.51819725221251000120,056
2010-976.8003871622211472000147,445
189-1027.400802512202217103100146,997
168-118.708001391824221240120,300
147-127.8800139213023679,756
126-137.88000315373543,091
105-147.88002197118,523
84-157.9806866,229
63-167.171921,544
42-176.3694269
21-183.649628
00-191.529865
Total:53.2%7767777776666655834,096

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs