How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Saturday, 1/16100.0*Chance in playoffs100.0*Average seed
Quebec 3 Calgary 19 +7.9
+0.2
London 1 Regina 10 +6.1
+0.1
Toronto 2 Winnipeg 1 +3.6
+0.2
Yukon 4 Montreal 1 -1.6
-0.1
Hamilton 1 Saskatoon 2 -1.2
-0.1
Nova Scotia 5 Vancouver 3 +0.3
Edmonton 6 St. John's 2 -0.3
-0.1
If winner is:HomeAway
Thunder Bay vs Ottawa-29.7+10.6
-2.0+0.7
If winner is:HomeAway
Sunday, 1/17100.0*Chance in playoffs100.0*Average seed
Ottawa vs London+38.5-36.0
+1.7-1.6
Quebec vs Montreal-3.4+9.4
-0.2+0.5
Yukon vs Calgary-4.1+5.4
-0.1+0.2
Vancouver vs Edmonton+3.8-3.9
+0.3-0.3
Winnipeg vs Saskatoon-2.4+1.6
-0.4+0.2
Nova Scotia vs St. John's-0.4+1.4
Regina vs Thunder Bay+0.3-0.9
Hamilton vs Toronto+0.1-0.0

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
TWW-Lplayoffs12345678910111213141516Count
92-099.1%841514,563,108
81-19.91926242510326,515,617
70-2Out3202640121,755,083
Total:40.3%3010141213856212,833,808
Games Above .500
Chance Will Make Playoffs