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
Calgary vs Washington-0.6+0.6
-0.1+0.1
Arizona vs Pittsburgh-0.5+0.5
-0.1+0.1
Vegas vs Montreal-0.5+0.5
Buffalo vs Quebec City+0.5-0.5
+0.1-0.1
Columbus vs St. Louis+0.5-0.5
+0.1-0.1
San Jose vs Tampa Bay-0.5+0.5
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
Dallas vs New York R-0.9+0.3
-0.1+0.0
Colorado vs Columbus-0.6+0.6
-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
Montreal vs Vancouver+0.5-0.5
Philadelphia vs Los Angeles+0.5-0.5

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
34-38In1001,180*
3216-3In9914,970
3015-4In9550020,476
2814-5In8118100061,110
2613-6In5037100300140,818
2412-7100.0%16332631651000253,121
2211-898.82920924201141000365,747
2010-978.70031071622201362000424,330
189-1029.40010025121922179310399,852
168-1110.701000014101925201020304,311
147-129.6100013122632170185,814
126-139.61000193147291,607
105-149.8100110572235,096
84-159.61002444510,144
63-168.9910812,228
42-1710.410386326
21-185.059520
00-191.7298178
Total:59.0%88787777666665512,301,328

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs