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+10.7-10.7
+0.8-0.8
San Jose vs Tampa Bay+0.9-0.9
+0.1-0.1
Vegas vs Montreal+0.9-0.9
+0.1-0.1
Arizona vs Pittsburgh+0.9-0.9
+0.1-0.1
Detroit vs Colorado-0.9+0.9
-0.1+0.1
Columbus vs St. Louis-0.9+0.9
-0.1+0.1
Calgary vs Washington+0.8-0.8
+0.1-0.1
Buffalo vs Quebec City-0.8+0.8
-0.1+0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
St. Louis vs Boston-7.9+7.9
-0.6+0.6
Pittsburgh vs Florida-1.7+0.5
-0.1+0.0
Colorado vs Columbus+0.9-0.9
+0.1-0.1
Tampa Bay vs Arizona-0.8+0.8
-0.1+0.1
Montreal vs Vancouver-0.8+0.8
-0.1+0.1
Washington vs Chicago-0.8+0.8
-0.1+0.1
Philadelphia vs Los Angeles-0.8+0.8
-0.1+0.1
New Jersey vs New York I+0.4-0.2
Buffalo vs Detroit+0.2-0.2

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
36-38In100252*
3417-2In86140626
3216-3In60345013,587
3015-4In73441135015,272
2814-5In1124034131047,567
2613-6100.0%00751347100115,441
2412-799.80020412892000220,266
2211-895.404193227134100335,791
2010-966.61211242821103000411,893
189-1022.9101615262717610411,958
168-112.51000271828281430335,177
147-120.8100031229371800219,931
126-130.710017305380115,665
105-140.810064044848,213
84-150.710117552715,205
63-160.71019813,614
42-170.61694625
21-18Out10067
00-191.7298178
Total:47.9%011691010101099876212,301,328

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs