How are these numbers calculated?

Big Games

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

Friday, 5/26100.0*Chance in playoffs100.0*Average seed
Bay 2 Jets 3 +2.6
+0.2
Redwood 3 Bears 2 -2.2
-0.1
Heat2 5 Islanders 5 +1.8
+0.1
Heat2 9 Condors 6 +0.3
+0.1
Saturday, 5/27100.0*Chance in playoffs100.0*Average seed
Jets 4 Flyers2 6 +25.2
+1.2
Redwood 9 Condors 2 -6.4
-0.1
Islanders 0 Flyers1 14 -5.0
-0.1
Bay 0 Bears 3 +0.1
+0.1
If winner is:HomeTieAway
Sunday, 5/28100.0*Chance in playoffs100.0*Average seed
Bay vs Redwood+45.6+35.6-4.8
+0.6+0.4-0.1
Condors vs Flyers1+45.4+35.6-4.8
+0.6+0.5-0.1
Flyers2 vs Heat2+14.5-30.9-34.0
+0.5-0.1-1.5
Heat1 vs Islanders-0.0+0.1+0.1

What If

Chances based on how well the Flyers2 finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTTplayoffs12345678910Count
610-0048.5%14345114,712,545
500-013.103972,119,224
401-000.00067334,363,651
Total:34.0%10244614721,195,420
Points
Chance Will Make Playoffs