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
Calgary vs Washington+7.2-7.2
+0.8-0.8
Vegas vs Montreal-0.6+0.6
-0.1+0.1
Columbus vs St. Louis+0.5-0.5
+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
Buffalo vs Quebec City+0.5-0.5
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Minnesota vs Calgary-9.0+9.0
-0.9+0.9
St. Louis vs Boston-0.6+0.6
-0.1+0.1
Dallas vs New York R-0.9+0.2
-0.1+0.0
Tampa Bay vs Arizona+0.5-0.5
+0.1-0.1
Montreal vs Vancouver+0.5-0.5
+0.1-0.1
Philadelphia vs Los Angeles+0.5-0.5
+0.1-0.1
Washington vs Chicago+0.5-0.5
Colorado vs Columbus-0.4+0.4

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
34-38In1001,164*
3216-3In9915,201
3015-4In9550020,347
2814-5In8018100060,795
2613-6In4937100300140,189
2412-7100.0%1634263155100253,213
2211-898.829218232011410000365,435
2010-978.30041071521201362000424,627
189-1029.60010025121921179310400,309
168-1110.50900014101924201020304,397
147-129.5100014122631170186,729
126-139.61000193147291,153
105-149.390111572234,948
84-159.81002434610,061
63-169.5909812,214
42-179.39289345
21-189.5109021
00-192.2298180
Total:58.9%88887777666665512,301,328

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs