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
Calgary vs Washington+0.9-0.9
+0.1-0.1
Columbus vs St. Louis-0.8+0.8
-0.1+0.1
Vegas vs Montreal+0.8-0.8
+0.1-0.1
Arizona vs Pittsburgh+0.7-0.7
+0.1-0.1
Buffalo vs Quebec City-0.7+0.7
-0.1+0.1
Detroit vs Colorado-0.7+0.7
-0.1+0.1
San Jose vs Tampa Bay+0.7-0.7
+0.1-0.1
If winner is:HomeAway
Week of 10/21100.0*Chance in playoffs100.0*Average seed
Ottawa vs Toronto+6.3-6.3
+0.7-0.7
Montreal vs Vancouver-0.8+0.8
-0.1+0.1
Tampa Bay vs Arizona-0.8+0.8
-0.1+0.1
St. Louis vs Boston+0.8-0.8
+0.1-0.1
Colorado vs Columbus+0.7-0.7
+0.1-0.1
Washington vs Chicago-0.7+0.7
-0.1+0.1
Pittsburgh vs Florida-0.6+0.6
Philadelphia vs Los Angeles-0.6+0.6
-0.1+0.1
Dallas vs New York R+0.4-0.4

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs12345678910111213141516Count
5218-0In10066
5017-1In98258
4816-2In982501
4615-3In89100002,609
4414-4In672730209,763
4213-5In52377040027,145
4012-6In19372221730059,370
3811-7100.0%826276267100101,475
3610-899.6151410332510200138,717
349-990.40029112427187200155,106
328-1085.100087202722113100138,576
307-1139.708039202621103100101,072
286-1211.0801310202721920059,425
265-139.3800151424251661027,241
244-147.4700151827271229,762
223-158.69002102834172,575
202-169.610014173335509
181-1711.5113186761
160-181.523266965
Total:77.6%58871313131075432100834,096
Games Above .500
Chance Will Make Playoffs