SELECT
DATENAME(weekday, factu.fecha) as day,
COUNT(*) AS total,
DATEPART(day, factu.fecha) as date
FROM factu
WHERE factu.fecha >= DATEADD(day, -7, GETDATE())
AND factu.fecha <= GETDATE()
GROUP BY DATENAME(weekday, factu.fecha), DATEPART(day, factu.fecha)
ORDER BY date DESC