Quick answer
Same verb, two directions. Both groups are planning something, and what they get is the character of what they planned.
Read both lines
The parallel is exact and does the work: people devise evil and go astray, people devise good and end up with mercy and truth. Those two words travel together throughout the Old Testament as a description of God's own disposition, so the second line is claiming that a person who plans good ends up in company with something larger than their planning. The question form in the first line assumes the reader already knows the answer, which is characteristic of this book's confidence about how life generally runs.
Related: Proverbs 3:3 · Proverbs 12:20 · Proverbs 6:18
New King James Version®, Copyright © 1982, Thomas Nelson. All rights reserved. Full copyright information. Scripture provided by API.Bible.
Go Deeper
If this verse has been used to put weight on you that it was never carrying, ask about it directly.