Donald Trump’s brands have lost $800 million over the past year, according to BBC report published Thursday. The Republican nominee’s substantive losses are due to the “softening” of New York City’s property market and contracts lost due to his presidential candicacy.

The politician is currently worth $3.6 billion, according to Forbes, who has tracked his wealth value for three decades. The finance magazine assessed the values of 28 of his buildings and found 18 had declined in value since 2015, including Trump Tower in Manhattan and Mar-a-Lago in Palm Beach, Florida.