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-10.9+10.9
-0.8+0.8
Buffalo vs Quebec City-0.9+0.9
-0.1+0.1
San Jose vs Tampa Bay+0.9-0.9
+0.1-0.1
Vegas vs Montreal+0.9-0.9
+0.1-0.1
Calgary vs Washington+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
Arizona vs Pittsburgh+0.9-0.9
+0.1-0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Philadelphia vs Los Angeles+8.0-8.0
+0.6-0.6
Pittsburgh vs Florida-1.5+0.4
-0.1+0.0
Colorado vs Columbus+0.9-0.9
+0.1-0.1
Montreal vs Vancouver-0.9+0.9
-0.1+0.1
Washington vs Chicago-0.9+0.9
-0.1+0.1
St. Louis vs Boston+0.9-0.9
+0.1-0.1
Tampa Bay vs Arizona-0.9+0.9
-0.1+0.1
New Jersey vs New York I+0.4-0.2
Ottawa vs Toronto-0.3+0.1
Buffalo vs Detroit+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
36-38In100215*
3417-2In9370497
3216-3In67293003,180
3015-4In93541122013,829
2814-5In114433390045,139
2613-6In0095032710112,814
2412-799.8%00194128102000218,653
2211-895.004193227134100337,422
2010-965.401211232821103000418,578
189-1022.1101515252718710419,330
168-112.6100261728281530337,892
147-120.9100031229371800218,791
126-130.810017305370112,223
105-140.910064243945,056
84-150.710118522913,807
63-161.01014843,167
42-170.61297506
21-18Out10046
00-191.6298183
Total:47.5%0126910101010109986202,301,328

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs