Select exactly one Y column of values (or a range from one column).
Select required data.
From the menu, choose Plot > 2D: Pie: 2D B&W Pie Chart.
Click the B&W Pie Chart button on the 2D Graphs toolbar.
PIEBW.OTP (installed to the Origin program folder).
The selected values are summed, and the percentage of the total is determined for each selected value. The pie chart displays the percentage of the total for each selected value as a pie section.
To remove the rectangular frame from the pie chart: