Need help on sum a measure and get percentage

[accds]

I use the following measure to get my volume2019YTD:

Volume2019YTD = CALCULATE(sum(table[Volume]),DATESYTD(table[SalesDate]))

But when I try to get the percentage of total VolumeYTD for each Brand, I failed.

The only thing I can get is

Brand	Volume2019YTD	TotalVolume(last 3 years)	Wrong Percentage
A	1000	3000	1000/3000=33%
B	700	2000	700/2000=35%
C	800	2500	800/2500=32%
Total	2500

But I actually want to get this:

Brand	Volume2019YTD	How can I get this?
A	1000	1000/2500 = 40%
B	700	700/2500 = 28%
C	800	800/2500 = 32%
Total	2500

Can someone help me with it? Thank you!!

[Ashish_Mathur · Accepted solution]

Hi,

Try this measure

=[Volume2019YTD]/CALCULATE([Volume2019YTD],ALL(table[Brand]))

Express this as a %.

Hope this helps.