This is JoomShaper module which allows you to present Features, Random, Latest or Sales products from Virtuemart3 using a Slider. It also have countdown option to increase sale, to show people that price/product promotion is limited with time. Using options you can disable or enable several displayed information's. Final price depends on VM product settings. Discount percent and how many user will save is counted automatically.

And Countdown time is taken from each VM product, check its Availability Date in Product status tab.