How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 9/26100.0*Chance in playoffs100.0*Bye to semi-final100.0*Average seed
Guelph 48 Ottawa 26 -5.9
-4.2
-0.4
Laurier 18 Windsor 22 +3.5
+0.1
+0.1
Toronto 18 Queen's 37 -2.6
+0.1
-0.1
McMaster 67 York 10 +0.6
-0.5
Western 70 Carleton 14 +0.5
-0.6
+0.0
If winner is:HomeAway
Week of 10/2100.0*Chance in playoffs100.0*Bye to semi-final100.0*Average seed
Ottawa vs Carleton+15.1-17.2
+0.4-0.4
+0.7-0.8
Waterloo vs Laurier+3.9-2.3
+0.1-0.0
Queen's vs Guelph-2.7+1.4
+0.2-0.1
-0.2+0.1
York vs Toronto+2.1-1.5
McMaster vs Windsor-0.2+1.4
-0.1+0.5
-0.0+0.1

What If

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

100100100100100100100100100100100
If finish:Chance inBye toChance will finish regular season at seed
TPW-Lplayoffssemi-final1234567891011Count
124-0In12.4%11258292,299,671
103-1100.0%0.1001068203016,267,340
82-292.3No010394470027,029,388
61-316.1No0116562440016,593,378
40-4OutNo146351533,386,461
Total:70.4%0.5%00522212317931065,576,238
Games Above .500
Chance Will Make Playoffs