During the "National Day" period, the Central International New Asia Mall held a promotional activity. The current price of a color TV was 2,800 yuan, which was 700 yuan lower than the original price. How much was the reduction?
"国庆"期间，中央国际新亚商城搞促销让利活动，一种彩电现价2800元，现价比原价降低了700元，降低了百分之几？
<gadget id="calculator">2_800 + 700</gadget>
<output>3_500</output>

<gadget id="calculator">700 / 3_500</gadget>
<output>1/5 = around 0.2</output>

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