The original price of a color TV set was 2,500 yuan, but now the price has been reduced by 400 yuan. How much is the price cut?
一种彩电原价每台2500元，现在价格降低了400元．降价百分之几？
<gadget id="calculator">400 / 2_500</gadget>
<output>4/25 = around 0.16</output>

<result>4/25 = around 0.16</result>