SELECT
  COUNT(*) AS `数量`,
	subquery.total_count AS `总数`,
  COUNT(*) * 100 / subquery.total_count AS `百分比`,
  CASE
    WHEN park_long < 900 THEN '15分钟以内'
    WHEN park_long >= 900 AND park_long < 3600 THEN '15-60分钟'
    WHEN park_long >= 3600 AND park_long < 10800 THEN '1-3小时'
    WHEN park_long >= 10800 AND park_long < 21600 THEN '3-6小时'
    WHEN park_long >= 21600 AND park_long < 43200 THEN '6-12小时'
    WHEN park_long >= 43200 THEN '12小时以上'
    ELSE '当天未出场'
  END AS `停车时长分类`
FROM
  park_parking_payment_list
  JOIN (
    	SELECT COUNT(*) AS total_count 
        FROM park_parking_payment_list 
        WHERE in_time IS NOT NULL 
        AND out_time IS NOT NULL  
        AND date_format( report_time, '%y%m%d' ) = date_format( '${queryTime}', '%y%m%d' )
      ) AS subquery
WHERE
  in_time IS NOT NULL
  AND out_time IS NOT NULL
  AND date_format( report_time, '%y%m%d' ) = date_format( '${queryTime}', '%y%m%d' ) 
GROUP BY `停车时长分类`, subquery.total_count;