public JsonResult SetGuesstimateChangeRule(string GuesstimateId, string ChangeRule, double?ChangeRulePercent)
        {
            GuesstimateSetRes           response = new GuesstimateSetRes();
            GuesstimateChangeRuleSetReq request  = new GuesstimateChangeRuleSetReq();

            request.GuesstimateId     = GuesstimateId;
            request.ChangeRule        = ChangeRule;
            request.ChangeRulePercent = ChangeRulePercent;
            request.EditUser          = ckUserEmailId;
            response = coProviders.SetGuesstimateChangeRule(request, token).Result;

            if (response != null)
            {
                return(Json(response.ResponseStatus));
            }
            return(Json("failure"));
        }