In 2003, my country's per capita water resources were 97.1% of those in 2002. How much has my country's per capita water resources in 2003 decreased compared to 2002?
2003年我国的人均水资源是2002年的97.1%，2003年我国的人均水资源比2002年下降了多少．
<gadget id="calculator">97.1 / 100</gadget>
<output>0.971</output>

<gadget id="calculator">1 - 0.971</gadget>
<output>0.029</output>

<gadget id="calculator">0.029 / 1</gadget>
<output>0.029</output>

<result>0.029</result>