Join us at FabCon Atlanta from March 16 - 20, 2026, for the ultimate Fabric, Power BI, AI and SQL community-led event. Save $200 with code FABCOMM.
Register now!Calling all Data Engineers! Fabric Data Engineer (Exam DP-700) live sessions are back! Starting October 16th. Sign up.
Hi Guys can you help
I found this post
https://community.powerbi.com/t5/Desktop/Trend-line-values/m-p/1646737#M660327
that provies a measure that approximates to a trend line ,but What iwant to knwo is hte value of the "slope / gradient" of the linear recession - I want apply to sales of a product to determine growth/decline rate
please help!!!!
with best regards
gareth
Hi @Gareth_Hunt ,
Are you try to calculating sales change percentage over time? It's better that you can create a calendar table in your data model, and use the previousmonth function(aggregation of month). For more details, please refer to https://www.mssqltips.com/sqlservertip/6424/calculate-percentage-growth-over-time-with-power-bi/
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
Best Regards,
Dedmon Dai
Join the Fabric FabCon Global Hackathon—running virtually through Nov 3. Open to all skill levels. $10,000 in prizes!
Check out the September 2025 Power BI update to learn about new features.