A certain agency originally had 200 staff members, but after streamlining the organization, there are 143 staff members. What percentage is the reduction now?
某机关原有工作人员200人，精减机构后有工作人员143人，现在比原来减少了百分之几？
<gadget id="calculator">200 - 143</gadget>
<output>57</output>

<gadget id="calculator">57 / 200</gadget>
<output>57/200 = around 0.285</output>

<result>57/200 = around 0.285</result>