WITH latest AS ( -- Get latest row per S02 lane SELECT ld.* FROM lane_data ld INNER JOIN ( SELECT Name, MAX(t_stamp) AS max_ts FROM lane_data WHERE Name LIKE 'S02\\_%' GROUP BY Name ) x ON ld.Name = x.Name AND ld.t_stamp = x.max_ts ), totals AS ( SELECT SUM(CASE WHEN Disabled = 1 THEN 1 ELSE 0 END) AS disabled_count, SUM(CASE WHEN Disabled = 0 THEN 1 ELSE 0 END) AS enabled_count, COUNT(*) AS total_lanes FROM latest ) SELECT 'Enabled' AS Status, enabled_count AS Count, CONCAT(ROUND(enabled_count * 100.0 / total_lanes, 1), '%') AS `Percentage (%)` FROM totals UNION ALL SELECT 'Disabled' AS Status, disabled_count AS Count, CONCAT(ROUND(disabled_count * 100.0 / total_lanes, 1), '%') AS `Percentage (%)` FROM totals;