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
Detroit vs Colorado-7.5+7.5
-0.8+0.8
Columbus vs St. Louis+0.6-0.6
+0.1-0.1
Buffalo vs Quebec City+0.6-0.6
+0.1-0.1
Calgary vs Washington-0.5+0.5
San Jose vs Tampa Bay-0.5+0.5
Arizona vs Pittsburgh-0.5+0.5
-0.1+0.1
Vegas vs Montreal-0.5+0.5
Nashville vs Minnesota+0.1-0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Colorado vs Columbus+7.5-7.5
+0.8-0.8
Dallas vs New York R-1.0+0.3
-0.1+0.0
Montreal vs Vancouver+0.6-0.6
+0.1-0.1
Philadelphia vs Los Angeles+0.5-0.5
+0.1-0.1
Tampa Bay vs Arizona+0.5-0.5
+0.1-0.1
St. Louis vs Boston-0.5+0.5
-0.1+0.1
Washington vs Chicago+0.5-0.5
+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
36-38In100218*
3417-2In1000511
3216-3In9913,143
3015-4In9550013,900
2814-5In8118100045,292
2613-6In5036100400111,576
2412-7100.0%16322631751000218,353
2211-898.82820725211141000337,567
2010-978.40038817222013620000418,752
189-1028.6008026132022179310419,609
168-118.80800014112025201020338,610
147-127.680014132732170218,747
126-137.68002932472112,133
105-147.680111582245,062
84-157.5702454613,846
63-167.27010823,277
42-177.88191511
21-182.429841
00-192.2298180
Total:53.6%76777777777776612,301,328

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs