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
Buffalo vs Quebec City+8.0-8.0
+0.6-0.6
San Jose vs Tampa Bay+0.9-0.9
+0.1-0.1
Arizona vs Pittsburgh+0.9-0.9
+0.1-0.1
Vegas vs Montreal+0.9-0.9
+0.1-0.1
Columbus vs St. Louis-0.9+0.9
-0.1+0.1
Calgary vs Washington+0.9-0.9
+0.1-0.1
Detroit vs Colorado-0.8+0.8
-0.1+0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Buffalo vs Detroit+10.5-10.5
+0.8-0.8
Pittsburgh vs Florida-1.4+0.4
-0.1+0.0
Montreal vs Vancouver-0.9+0.9
-0.1+0.1
Colorado vs Columbus+0.9-0.9
+0.1-0.1
St. Louis vs Boston+0.9-0.9
+0.1-0.1
Philadelphia vs Los Angeles-0.9+0.9
-0.1+0.1
Washington vs Chicago-0.8+0.8
-0.1+0.1
Tampa Bay vs Arizona-0.8+0.8
-0.1+0.1
New Jersey vs New York I+0.4-0.2

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
36-38In100222*
3417-2In928477
3216-3In67303003,161
3015-4In93639124014,079
2814-5In1133934131045,105
2613-6100.0%00750357100112,244
2412-799.80019412992000217,865
2211-895.404193227134100337,807
2010-965.8121123292110300419,694
189-1021.8101515252718710419,554
168-112.41000161728281530338,110
147-120.81003112837190217,735
126-130.810017305480112,388
105-140.810054243945,354
84-150.910018522913,756
63-160.71014853,069
42-170.40396472
21-18Out10056
00-191.7298180
Total:47.5%0116910101010109886202,301,328

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs