This example is for how to change from Default order to Price High to Low on Taxonomy pages- standard view:
In taxonomy.php file
'meta_key' => 'prop_featured', 'orderby' => 'meta_value', 'order' => 'DESC',
'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: