I bought an eclair for 56 yen ($0.59 €0.46). It was 30% discounted price and the original price was 79 yen ($0.83 €0.65). French origin éclair is now a popular sweet in Japan.
When a shop decided to sell an old stock at a discount price, the shop pasted a tag which shows discount rate. You can see 30 % off tag in the following image.
Another day, I bought a strawberry flavor.