Kalles theme - add discount percentage to product page

Store Design
1

Hey,

I managed to add a discount percentage to the product collection but not in the product page.

this is what I did:

CaseGram_2-1605695258861.png
CaseGram_2-1605695258861.png182×294 42.3 KB

and I want it to be in here:

CaseGram_1-1605695236398.png
CaseGram_1-1605695236398.png361×534 164 KB

I’m using Kalles theme.

and I can’t find the file to edit the price on the product page.

Please help!