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