@property<EOL><INDENT>def percentage(self):<DEDENT>
return self._percentage<EOL>
Gets the percentage of this OrderLineItemDiscount.
The percentage of the tax, as a string representation of a decimal number. A value of `7.25` corresponds to a percentage of 7.25%.  The percentage won't be set for an amount-based discount.

:return: The percentage of this OrderLineItemDiscount.
:rtype: str