+2; The top 16 are just the Sweet 16 teams roughly in margin of victory order, and the rest are other teams I thought did well or underwhelmed given their seeds (Florida, Gonzaga, etc).
2
UConn
+5
3
Illinois
+8
4
Arizona
-2
5
Duke
-5
6
Purdue
+3
7
Iowa
NR
8
Tennessee
+15
9
St. John's
+9
10
Michigan State
-2
11
Nebraska
+1
12
Houston
-7
13
Iowa State
-7
14
Texas
NR
15
Alabama
+1
16
Arkansas
+1
17
Florida
-13
18
Gonzaga
-8
19
Virginia
-5
20
Kansas
-5
21
Texas Tech
-1 Biggest riser: Iowa (UR->7)
22
Vanderbilt
-9 Biggest faller: Florida (4->17)
23
Louisville
-2 Dropped out: 22 North Carolina, 24 BYU, 25 Saint Mary's
24
High Point
NR New to poll: 7 Iowa, 14 Texas, 24 High Point
25
Wisconsin
-6 Next 5: Saint Louis, UCLA, Miami, VCU, Utah State