Display discount not correct when promo price higher than unit

• Type: Bug
• Status: Ready for Review
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: Pegasus
• Fix Version/s: Pegasus
• Component/s: Shopping Experience
• Labels:
  • 7.3-should
• Severity of Issue: Major
• Git Pull Request: https://github.com/marco-leo/liferay-portal-ee/pull/1232

• Create a minium site
• Set promo price for a product in the catalog that is higher than the unit price for the same product
• Create a discount on the same product.
• Go to the minium catalog page
• Add product to cart

Expected Result: The discount percentage is the cart is shown correctly.

Actual Result: The discount percentage is lower than expected