In Admin > Stores > Attributes > Product > Price > Attribute Information > Storefront Properties > Position > 5

Here "price" attribute is taken for example which is filterable in layered navigation

For example there are five filters and we want price in bottom , So its positioned at no 5

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 Admin > Stores > Attributes > Product > Price > Attribute Information > Storefront Properties > Position > 5

Here "price" attribute is taken for example which is filterable in layered navigation

For example there are five filters and we want price in bottom , So its positioned at no 5