@percentage.setter<EOL><INDENT>def percentage(self, percentage):<DEDENT>
self._percentage = percentage<EOL>
Sets the percentage of this CatalogTax.
The percentage of the tax in decimal form, using a `'.'` as the decimal separator and without a `'%'` sign. A value of `7.5` corresponds to 7.5%.

:param percentage: The percentage of this CatalogTax.
:type: str