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
Vegas vs Montreal+7.6-7.6
+0.8-0.8
Buffalo vs Quebec City+0.6-0.6
+0.1-0.1
Columbus vs St. Louis+0.6-0.6
+0.1-0.1
Calgary vs Washington-0.6+0.6
-0.1+0.1
Arizona vs Pittsburgh-0.5+0.5
-0.1+0.1
San Jose vs Tampa Bay-0.5+0.5
-0.1+0.1
Detroit vs Colorado+0.5-0.5
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Quebec City vs Vegas-9.5+9.5
-1.0+1.0
Dallas vs New York R-0.9+0.2
-0.1+0.0
St. Louis vs Boston-0.6+0.6
-0.1+0.1
Philadelphia vs Los Angeles+0.5-0.5
+0.1-0.1
Montreal vs Vancouver+0.5-0.5
+0.1-0.1
Tampa Bay vs Arizona+0.5-0.5
+0.1-0.1
Colorado vs Columbus-0.5+0.5
Washington vs Chicago+0.5-0.5

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
36-38In100229*
3417-2In1000458
3216-3In9823,193
3015-4In9460013,839
2814-5In7919100045,066
2613-6In4937100300112,702
2412-7100.0%1633273165100217,985
2211-898.72921724201141000336,982
2010-978.2004881622201362000419,648
189-1028.6008026132022179310419,742
168-118.70800014112025201020338,369
147-127.5070014132732160218,096
126-137.470002933462111,980
105-147.680112582245,281
84-157.3702444613,824
63-166.87010833,176
42-179.09290524
21-183.6429555
00-191.7298179
Total:53.6%67777777777776512,301,328

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs