SELECT
  promotions,
  total,
  cast(promotions AS DECIMAL(15, 4)) / cast(total AS DECIMAL(15, 4)) * 100
FROM
  (SELECT sum(ss_ext_sales_price) promotions
  FROM store_sales, store, promotion, date_dim, customer, customer_address, item
  WHERE ss_sold_date_sk = d_date_sk
    AND ss_store_sk = s_store_sk
    AND ss_promo_sk = p_promo_sk
    AND ss_customer_sk = c_customer_sk
    AND ca_address_sk = c_current_addr_sk
    AND ss_item_sk = i_item_sk
    AND ca_gmt_offset = -5
    AND i_category = 'Jewelry'
    AND (p_channel_dmail = 'Y' OR p_channel_email = 'Y' OR p_channel_tv = 'Y')
    AND s_gmt_offset = -5
    AND d_year = 1998
    AND d_moy = 11) promotional_sales,
  (SELECT sum(ss_ext_sales_price) total
  FROM store_sales, store, date_dim, customer, customer_address, item
  WHERE ss_sold_date_sk = d_date_sk
    AND ss_store_sk = s_store_sk
    AND ss_customer_sk = c_customer_sk
    AND ca_address_sk = c_current_addr_sk
    AND ss_item_sk = i_item_sk
    AND ca_gmt_offset = -5
    AND i_category = 'Jewelry'
    AND s_gmt_offset = -5
    AND d_year = 1998
    AND d_moy = 11) all_sales
ORDER BY promotions, total
LIMIT 100