Tip:The width of the output field must account for the percent
sign (% ) and parentheses for negative numbers, whether the number
is negative or positive.
d
specifies the number
of digits to the right of the decimal point in the numeric value.
This argument is optional.
Range:0–31
Requirement:must be less than w
Details
The PERCENTw.d format
multiplies values by 100, formats them the same as the BESTw.d format,
and adds a percent sign (%) to the end of the formatted value, while
it encloses negative values in parentheses.