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+9.5-9.5
+0.9-0.9
Columbus vs St. Louis-0.6+0.6
Vegas vs Montreal+0.6-0.6
+0.1-0.1
San Jose vs Tampa Bay+0.6-0.6
+0.1-0.1
Detroit vs Colorado-0.6+0.6
-0.1+0.1
Calgary vs Washington+0.6-0.6
Buffalo vs Quebec City-0.6+0.6
-0.1+0.1
Arizona vs Pittsburgh+0.5-0.5
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
St. Louis vs Boston-7.7+7.7
-0.8+0.8
Pittsburgh vs Florida-0.6+0.6
Tampa Bay vs Arizona-0.6+0.6
-0.1+0.1
Montreal vs Vancouver-0.6+0.6
Philadelphia vs Los Angeles-0.5+0.6
Washington vs Chicago-0.5+0.5
Colorado vs Columbus+0.5-0.5
Ottawa vs Toronto-0.4+0.4
Dallas vs New York R+0.3-0.3

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
34-38In100369*
3216-3In9911,573
3015-4In937006,212
2814-5In7721201018,503
2613-6In30401611110043,203
2412-799.9%2101983619510080,603
2211-896.20147212923113100119,962
2010-957.1006171725231351000146,781
189-1016.905002919262212410146,730
168-115.75000161625261540120,473
147-125.3500029233323579,918
126-135.3500214393943,179
105-145.6601177718,448
84-155.2505906,234
63-166.561931,525
42-173.2397285
21-18Out10032
00-191.529866
Total:46.7%4436777888777655834,096

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs