A brand of TV is now priced at 2,000 yuan, which is 500 yuan lower than the original price. How much is the reduction?
一种品牌电视机，现在售价2000元，比原价降低了500元，降低了百分之几？
<gadget id="calculator">2_000 + 500</gadget>
<output>2_500</output>

<gadget id="calculator">500 / 2_500</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>