This article will teach you how to order categories. 

The best way to order categories and taxonomy terms are to use Category Order and Taxonomy Terms Order Plugin. Listivo has integration with a free version of this plugin. 

Use this link to download the plugin -

Go to wp-admin -> Plugins -> Add New -> Upload Plugin -> Choose file (find the previously downloaded Category Order and Taxonomy Terms Order file) and Instal Now. 

Remember to activate it.

Now you can go to Listings -> Taxonomy Order.

You can drag and drop categories.

Please keep "Taxonomy order" selected "Custom" and "Custom Order" field empty (so it will use the order of terms from this plugin above).