Answer:
25%
Explanation:
We know
House prices decreased from $400,000 to $300,000 in a year.
What is the percent decrease?
First, we find the amount decreases.
400,000 - 300,000 = $100,000
Then we take
(100,000 ÷ 400,000) x 100 = 25%
So, the percent decrease is 25%,