Array
(
    [initial_price] => 317.416
    [discounted_price] => 253.9328
    [initial_price_with_tax] => 317.416
    [discounted_price_with_tax] => 253.9328
    [total_discount_details] => Array
        (
            [6] => Array
                (
                    [set_discount] => 0
                    [bulk_discount] => 0
                    [simple_discount] => Array
                        (
                            [discount_type] => percentage
                            [discount_value] => 20
                            [discount_quantity] => 1
                            [discount_price_per_quantity] => 63.4832
                            [discount_price] => 63.4832
                        )

                )

        )

    [apply_as_cart_rule] => Array
        (
            [0] => no
        )

    [discount_lines] => Array
        (
            [non_applied] => Array
                (
                    [quantity] => 0
                    [discount] => 0
                    [price] => 317.416
                    [calculate_discount_from] => 317.416
                )

            [0] => Array
                (
                    [quantity] => 1
                    [discount] => 63.4832
                    [original_price] => 317.416
                    [discounted_price] => 253.9328
                )

        )

)
20%