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
Vegas vs Montreal-7.6+7.6
-0.8+0.8
San Jose vs Tampa Bay+0.7-0.7
+0.1-0.1
Columbus vs St. Louis-0.7+0.7
-0.1+0.1
Detroit vs Colorado-0.6+0.6
-0.1+0.1
Arizona vs Pittsburgh+0.6-0.6
Buffalo vs Quebec City-0.6+0.6
-0.1+0.1
Calgary vs Washington+0.5-0.5
Boston vs Philadelphia+0.3-0.3
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Montreal vs Vancouver+7.6-7.6
+0.8-0.8
Tampa Bay vs Arizona-0.8+0.8
-0.1+0.1
Colorado vs Columbus+0.7-0.7
+0.1-0.1
St. Louis vs Boston+0.7-0.7
+0.1-0.1
Washington vs Chicago-0.6+0.6
-0.1+0.1
Philadelphia vs Los Angeles-0.6+0.6
Pittsburgh vs Florida-0.5+0.5
Dallas vs New York R+0.3-0.3
Ottawa vs Toronto-0.3+0.3

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
34-38In100357*
3216-3In9911,513
3015-4In946006,163
2814-5In7820201018,548
2613-6In3140161111043,233
2412-799.9%2112083518510079,796
2211-896.40147213023103100120,129
2010-956.80617172523145100147,157
189-1017.106003918262312400146,698
168-115.96000161526261540119,793
147-125.6600029233223580,657
126-135.6600213384043,495
105-145.5501177718,550
84-155.9605896,131
63-165.561941,525
42-177.78092261
21-189.199122
00-192.939768
Total:46.7%4436777888777655834,096

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs