What does a markdown in mathematics mean? For example: A retail store had a sale of there juice for $5, the retail store is marking down the juice by 2% whats the sale price now we're learning this in

What does a markdown in mathematics mean?

For example: A retail store had a sale of there juice for $5, the retail store is marking down the juice by 2% whats the sale price now

we're learning this in class and i don't get it

please explain thankyou