This example is for how to change from Default order to Price High to Low on Taxonomy pages- standard view:

In taxonomy.php file

Look for

'meta_key' => 'prop_featured',
'orderby' => 'meta_value',
'order' => 'DESC',

Replace with

'meta_key' => 'property_price',
'orderby' => 'meta_value_num',
'order' => 'DESC',

Make sure you write PHP, not copy/paste. So you don’t copy wrong formatting.

You also need to remove some ordering filters.

Modify in 2 places:

 

In templates/property_list_filters.php file setup 0 for filter you want to display first in filter list: