mysql - sql query to calculate percentage -

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in table below, need find percentage of males in state 'nyc'.

  select count(*) table state = 'nyc' , gender = 'male';

gives me count of males nyc. need % of males nyc 75%.

+-------+-------+--------+ | name  | state | gender | +-------+-------+--------+ | jon   | nyc   | male   | +-------+-------+--------+ | obama | la    | male   | +-------+-------+--------+ | kat   | nyc   | male   | +-------+-------+--------+ | andy  | nyc   | male   | +-------+-------+--------+ | sri   | nyc   | female | +-------+-------+--------+

desired output:

state, male_percentage--> nyc, 75 %

as 3 males , 1 female total 4 nyc.

with 1 select table )

 select state ,100 * sum( if(gender = 'male',1,0) ) / count(*)      table state = 'nyc'      group state

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