The price of an item in a store is reduced by 50%. Then the price is reduced by another 50%. what is the total percent change as a result of the two discounts?

P = original price of the item

P'= new price after discounted

P'= [Px(1-50%)]x(1-50%)
P'= 0.5Px 0.5
P'= 0.25P

P' is 25% of original price or discounted by 75% less