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
Nova Scotia 5 Vancouver 3 -9.7
-0.5
Yukon 4 Montreal 1 -5.5
-0.3
Edmonton 6 St. John's 2 -3.2
-0.1
London 1 Regina 10 +2.8
+0.1
Quebec 3 Calgary 19 +2.4
+0.1
Toronto 2 Winnipeg 1 +0.8
Hamilton 1 Saskatoon 2 -0.1
-0.0
If winner is:HomeAway
Thunder Bay vs Ottawa+7.9-2.8
+0.2-0.1
If winner is:HomeAway
Sunday, 1/17100.0*Chance in playoffs100.0*Average seed
Vancouver vs Edmonton+37.6-39.5
+1.4-1.4
Quebec vs Montreal-5.9+16.3
-0.1+0.3
Yukon vs Calgary-9.2+12.2
-0.5+0.6
Ottawa vs London+5.3-4.9
+0.1-0.1
Winnipeg vs Saskatoon+1.2-0.8
+0.1-0.0
Nova Scotia vs St. John's-0.2+0.8
Regina vs Thunder Bay-0.2+0.4

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
91-091.5%7261396,575,155
80-114.4113384446,258,653
Total:53.9%374132322212,833,808
Games Above .500
Chance Will Make Playoffs