You could do 165,000 divided by 180,000. This is 165000/180000, and that will give you the percentage that 165000 is of 180000 in decimal form, which is 0.9167. Then we round to the nearest tenth, which is 0.92 0.92 as a percentage is 92%. 100% - 92% = 8% The price of the home dropped by 8%.