style="vnd.ms-excel.numberformat:#,##0.00_)[semicolon](#,##0.00);"
style="vnd.ms-excel.numberformat:$* #,##0.00_)[semicolon][Black]$* (#,##0.00);"

##</code><code>##

style="vnd.ms-excel.numberformat:_(* #,##0.00_)[semicolon]_(* (#,##0.00)[semicolon]_(* "-"??_)[semicolon]_(@_)"

##</code><code>##

    # Format numbers style for download to Excel
    foreach my $c (qw(col_endow col_gfund col_restr col_total))
      { if    ( substr($key,0,3) eq "010" || substr($key,0,3) eq "023" ||
                substr($key,0,3) eq "025" || substr($key,0,3) eq "027" ||
                substr($key,0,3) eq "030" || substr($key,0,3) eq "043" ||
                substr($key,0,3) eq "045" || substr($key,0,3) eq "066" ||
                substr($key,0,3) eq "097" )
              { $row_data{num_style} = 'style="vnd.ms-excel.numberformat:$* #,##0.00_)[semicolon][Black]$* (#,##0.00);"';
              }
        else  { $row_data{num_style} = 'style="vnd.ms-excel.numberformat:_(* #,##0.00_)[semicolon]_(* (#,##0.00)[semicolon]_(* "-"_)[semicolon]_(@_)"';
              }