Leviticus 25:52

and if few years remain until the year of jubilee, he shall so calculate with him. In proportion to his years he is to refund the amount for his redemption.

Treasury of Scripture Knowledge

Summary

And if there remain but few years unto the year of jubile, then he shall count with him, and according unto his years shall he give him again the price of his redemption.

Bible References

General references

Leviticus 25:27
then he shall calculate the years since its sale and refund the balance to the man to whom he sold it, and so return to his property.
Leviticus 27:18
If he consecrates his field after the jubilee, however, then the priest shall calculate the price for him proportionate to the years that are left until the year of jubilee; and it shall be deducted from your valuation.
Luke 4:19
To proclaim the favorable year of the Lord.”