You have to get total number of people first and than use it in your select

SELECT 0
USE f:\okul_win\okul2
COUNT TO lnTotal

select sex, count(*), ROUND(count(*)/lnTotal * 100,2) AS Percent ;
  from okul2 ;
  group by sex;
  order by sex;
  into curs mycurs

>i have like this SQL syntax
>
>select sex,count(sex) from okul2 ;
>group by sex;
>order by sex;
>into curs mycurs
>brow
>use in mycurs
>
>and it shows in browse mode
>
>sex cnt_sex
>M 12
>W 5
>
>but i want to calculate percentage of M W counts of total records
>
>total records =17
>M=12/17=0,71
>M=5/17=0,29
>
>it must show in browse mode
>
>sex cnt_sex percentage
>M 12 0,71
>W 5 0,29
>
>but how ?
>
>thanks for the help