In most cases the online statements should give the client the information he is looking for . They should give historical data such as personal deferrals, company matches etc . They should also indicate the different investments the person has chosen, graph them and show them as a percentage of the total investment . Some statements calculate the rate of return for a specific period and some don’t . For the plans that do not, it is easy to do the math and calculate the rate of return . Divide the current value of the account with the value from a previous period or statement . The answer should show the percentage gain or loss .