How can I add 'RRP' before the compare at price in Warehouse theme?

Store Design
1

Does anyone know how to add the text “RRP” in front of the compare at price on a shopify store?

For reference, I use the Warehouse theme

2

@MichaelAdams Send me your store url

3

[email removed]NileshGadhiya

Here is my stores URL https://www.mikkogames.co.uk/