% of users that logged yesterday but not logged today

[#1]

Hello, i have one table like that:

Date	USERS_ID		ID
2012-05-22	1		1
2012-05-22	2		2
2012-05-22	3		3
2012-05-22	4		4
2012-05-23	1		5
2012-05-23	3		6
2012-05-23	4		7
2012-05-24	1		8
2012-05-24	2		9
2012-05-24	3		10

I want to known how many users logged yeasterday but not logged today

for example

for 2012-05-23 [1 user, 25%]

for 2012-05-24 [1 user, 33.33%]