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
San Jose vs Tampa Bay-7.7+7.7
-0.8+0.8
Calgary vs Washington+0.7-0.7
Detroit vs Colorado-0.6+0.6
-0.1+0.1
Buffalo vs Quebec City-0.6+0.6
-0.1+0.1
Columbus vs St. Louis-0.6+0.6
-0.1+0.1
Vegas vs Montreal+0.6-0.6
+0.1-0.1
Arizona vs Pittsburgh+0.6-0.6
+0.1-0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Tampa Bay vs Arizona+7.6-7.6
+0.8-0.8
St. Louis vs Boston+0.7-0.7
+0.1-0.1
Montreal vs Vancouver-0.7+0.7
-0.1+0.1
Colorado vs Columbus+0.6-0.6
+0.1-0.1
Philadelphia vs Los Angeles-0.6+0.6
-0.1+0.1
Washington vs Chicago-0.6+0.6
-0.1+0.1
Pittsburgh vs Florida-0.6+0.6
Ottawa vs Toronto-0.3+0.3
Dallas vs New York R+0.3-0.3

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
36-38In100100*
3417-2In1000284
3216-3In9911,582
3015-4In946006,080
2814-5In782020118,345
2613-6In32401511110043,007
2412-799.9%21119735195100080,100
2211-896.001472030231131000120,004
2010-956.20617172524145100146,528
189-1016.706002818262312410147,272
168-115.75000161526261540120,740
147-125.660029233322579,986
126-135.5500214384043,417
105-145.4501167718,653
84-155.8604906,128
63-166.571921,499
42-174.0496274
21-186.369432
00-191.529865
Total:46.4%4436777888777655834,096

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs