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+7.5-7.5
+0.8-0.8
San Jose vs Tampa Bay+0.7-0.8
+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
Vegas vs Montreal+0.6-0.6
+0.1-0.1
Calgary vs Washington+0.6-0.6
+0.1-0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Buffalo vs Detroit+9.4-9.4
+0.9-0.9
Washington vs Chicago-0.8+0.8
-0.1+0.1
Colorado vs Columbus+0.6-0.6
+0.1-0.1
St. Louis vs Boston+0.6-0.6
+0.1-0.1
Philadelphia vs Los Angeles-0.6+0.6
-0.1+0.1
Montreal vs Vancouver-0.6+0.6
-0.1+0.1
Tampa Bay vs Arizona-0.6+0.6
Ottawa vs Toronto-0.5+0.5
Pittsburgh vs Florida-0.4+0.4
Dallas vs New York R+0.3-0.3

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
36-38In10092*
3417-2In1000269
3216-3In9911,551
3015-4In955006,138
2814-5In7919101018,514
2613-6In3240151101043,695
2412-799.9%2112083518510080,082
2211-896.50148213022103100119,935
2010-957.60617172623135100146,665
189-1017.106002919262212410147,202
168-115.96000161526261540119,700
147-125.8600029233323580,227
126-135.7600213384143,239
105-145.7601157918,709
84-156.0605896,220
63-165.661931,511
42-175.2595251
21-1816.7178330
00-191.529866
Total:46.9%5436777888777655834,096

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs