Select at least one Y column of values (or a range from at least one column). If there is an associated X column, X column supplies X values; otherwise, sampling interval of the Y column or row number is used.
Select required data.
From the menu, select Plot > Bar, Pie, Area: 100% Stacked Bar.
Click the 100% Stacked Bar button on the 2D Graphs toolbar.
BAR.OTP (installed to the Origin program folder).
This graph type can also be created from a Stacked Bar Graph, by selecting the Normalize to Percent for Cumulative box on the Stack tab of the Plot Details - Layer Properties dialog box. You can opt to show the data labels as percentage values by setting Label Form to Custom and Format String = $(p,.0)% on the Label tab of Plot Details.
You can add error bars to your 100% stacked bar graph by pairing Y and yEr± columns in the worksheet. For more information see Adding Error Bars to your Graph, Method 1 -Preset Plot Designations.