I want to use Percent Pipe only for showing % symbol. not need to convert

I want to use Percent pipe just for displaying the value with % symbol. Currently backend performing the conversion and giving data. my duty just displaying the figure with % symbol. but while I using ‘percent’ pipe which converting the value again to percentage format. I want him to stop converting again but need % symbol of him. how to solve this issue.?
{{ row[attr.uniqKey] ? (row[attr.uniqKey] | percent) : '' }}