Answer:
67.7215189873%
Explanation:
The price of a desktop computer decreases from $3160 to $1020
Initial price of desktop =$3160
New Price= $1020
Change in price = 3160 - 1020 = 2140
Percentage decrease =
=67.7215189873%
Hence , the answer is 67.7215189873%
Hope it helps u