Select the products you want to update or select all products for your entire store.
Click on 'Update Prices' button. This will trigger a popup for the configuration.
Select the type of price update you want to make. You will most likely need only the first option 'Discount by Percent'.
Pro Plan users, you can auto rollback using the 'Apply Scheduling' option. Set a start and end date.
Basic Plan users can maunally update prices again to clear the discount.
Click the SUBMIT button to start the process.