A change in price from $20 to $40 is a 100% increase in price. Jonathon claims that this means that a drop in price from $40 to $20 is a 100% decrease in price. Which statement below is true?
Responses

A Jonathon’s claim is correct.Jonathon’s claim is correct.

B Jonathon’s claim is incorrect. A 100% decrease would bring the value to $0

C Jonathon’s claim is incorrect. A price drop from $40 to $20 is a 20% discount.