The decreased population of a city from \\\\(25,000\\\\) to \\\\(24,500\\\\)Population decreased \\\\(=25,000-24,500=500\\\\)Decreased Percentage \\\\(=\\cfrac{Population\\quad decreased}{Original\\quad population}\ imes 100\\\\)\\\\(=\\cfrac{500}{25000}\ imes 100=2\\\\)%Hence, the percentage decreased is \\\\(2\\\\)%