title: How do I use Previous function in SSRS
body: <p>I'm working on SSRS report.</p>
  
  <p>There are two main fields <code>CurrentMV</code> and <code>PreviousMV</code>
  both are having there different formulas but I need to change field <code>PreviousMV</code> to take a value of <code>CurrentMV</code> but <code>previous date</code> value I'm trying using <code>Previous</code> function of SSRS</p>
  
  <p>please help me.</p>
  
  <p>field <code>CurrentMV</code> having expression like <code>=Sum(Fields!CurrentMV.Value)</code>
  <img src="https://i.stack.imgur.com/Hsctm.png" alt="enter image description here"></p>