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
Detroit vs Colorado+7.6-7.5
+0.8-0.8
Arizona vs Pittsburgh+0.7-0.7
+0.1-0.1
Calgary vs Washington+0.7-0.7
+0.1-0.1
Vegas vs Montreal+0.7-0.7
+0.1-0.1
Buffalo vs Quebec City-0.6+0.6
-0.1+0.1
San Jose vs Tampa Bay+0.6-0.6
+0.1-0.1
Columbus vs St. Louis-0.5+0.5
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Buffalo vs Detroit-9.7+9.7
-1.0+1.0
Montreal vs Vancouver-0.7+0.7
-0.1+0.1
Philadelphia vs Los Angeles-0.7+0.7
-0.1+0.1
St. Louis vs Boston+0.7-0.7
+0.1-0.1
Tampa Bay vs Arizona-0.7+0.7
-0.1+0.1
Colorado vs Columbus+0.6-0.6
+0.1-0.1
Pittsburgh vs Florida-0.6+0.6
Washington vs Chicago-0.6+0.6
Ottawa vs Toronto-0.4+0.4
Dallas vs New York R+0.2-0.2

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
36-38In10096*
3417-2In1000281
3216-3In9911,538
3015-4In937006,086
2814-5In782021018,558
2613-6In32401511110042,820
2412-799.9%2112083518510079,949
2211-896.30148213022103100120,326
2010-957.10617172523145100147,527
189-1017.16002918262312410146,767
168-115.860000161626261540119,922
147-125.5500029223323680,165
126-135.6600213384043,449
105-145.66001167718,499
84-155.6605896,155
63-166.061931,576
42-173.23096282
21-185.969434
00-191.529866
Total:46.7%4436777888777655834,096

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs