@property<EOL><INDENT>def percentage(self):<DEDENT>
return self._percentage<EOL>
Gets the percentage of this CatalogDiscount.
The percentage of the discount as a string representation of a decimal number, using a `.` as the decimal separator and without a `%` sign. A value of `7.5` corresponds to `7.5%`. Specify a percentage of `0` if `discount_type` is `VARIABLE_PERCENTAGE`.  Do not include this field for amount-based or variable discounts.

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