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
Boston vs Philadelphia-9.7+9.7
-1.0+1.0
Detroit vs Colorado-0.7+0.7
-0.1+0.1
Columbus vs St. Louis-0.7+0.7
-0.1+0.1
Vegas vs Montreal+0.6-0.6
+0.1-0.1
Arizona vs Pittsburgh+0.6-0.6
+0.1-0.1
San Jose vs Tampa Bay+0.6-0.6
Buffalo vs Quebec City-0.6+0.6
Calgary vs Washington+0.6-0.6
+0.1-0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Philadelphia vs Los Angeles+7.6-7.7
+0.8-0.8
Colorado vs Columbus+0.7-0.7
+0.1-0.1
Washington vs Chicago-0.6+0.6
-0.1+0.1
St. Louis vs Boston+0.6-0.6
Tampa Bay vs Arizona-0.6+0.6
Montreal vs Vancouver-0.6+0.6
Pittsburgh vs Florida-0.4+0.4
Ottawa vs Toronto-0.4+0.4
Dallas vs New York R+0.3-0.3
+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
34-38In100371*
3216-3In9911,475
3015-4In946006,179
2814-5In7820200018,565
2613-6In324319140043,311
2412-799.9%21434102212410080,501
2211-896.3011311172420103100120,510
2010-957.31617172523135100146,940
189-1017.306002918252212410146,620
168-115.96000161526261540120,023
147-125.86000029233223580,182
126-135.7600313374142,990
105-145.76001157818,481
84-155.7605906,110
63-165.960941,468
42-173.33196269
21-1811.8128834
00-191.519967
Total:47.0%5467567788777655834,096

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs