The original price of a refrigerator is 2,500 yuan, but now it is priced at 2,450 yuan each. How much is the current price lower than the original price?
一种电冰箱原价2500元，现在每台售价2450元．现价比原价降低了百分之几？
<gadget id="calculator">2_500 - 2_450</gadget>
<output>50</output>

<gadget id="calculator">50 / 2_500</gadget>
<output>1/50 = around 0.02</output>

<result>1/50 = around 0.02</result>