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
San Jose vs Tampa Bay+7.2-7.2
+0.8-0.8
Detroit vs Colorado+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
Calgary vs Washington-0.5+0.5
-0.1+0.1
Buffalo vs Quebec City+0.5-0.5
Vegas vs Montreal-0.5+0.5
-0.1+0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Winnipeg vs San Jose-8.7+8.7
-0.9+0.9
Washington vs Chicago+0.6-0.6
+0.1-0.1
Philadelphia vs Los Angeles+0.6-0.6
+0.1-0.1
Tampa Bay vs Arizona+0.6-0.5
+0.1-0.1
Montreal vs Vancouver+0.5-0.5
+0.1-0.1
Colorado vs Columbus-0.5+0.5
-0.1+0.1
St. Louis vs Boston-0.5+0.5
Dallas vs New York R-0.4+0.4

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
36-38In100101*
3417-2In991288
3216-3In9911,546
3015-4In94606,160
2814-5In7919200018,395
2613-6In483811030043,062
2412-7100.0%153327316510080,233
2211-898.72921724211241000121,076
2010-977.30048715222114620000146,776
189-1027.20080151220221893100146,618
168-118.708001391724221230120,429
147-127.8800029213123679,716
126-137.98000316373543,045
105-148.2802197018,593
84-157.7806866,226
63-166.871921,520
42-179.2991217
21-186.569431
00-191.629864
Total:53.3%7777667666666655834,096

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs