Cumulative Percent Calculation in Qliksense Bar Chart

[NikitaAgrawal]

Hi,

I am having below table as an input:

Company Name	Product	Vol
Cloud	A	584
Star	A	278
Moon	A	512
Cloud	B	298
Star	B	173
Moon	B	245

I would like to get the result as % below in bar chart :

Company Name	Product	Vol	% Cal
Cloud	A	584	27.93396731
Star	A	278	13.2988139
Moon	A	512	24.49958667
Cloud	B	298	14.26222678
Star	B	173	8.279749103
Moon	B	245	11.72565624

Please help with the best possible solution.