'indicating a decrease' is correct and usable in written English.
You can use it to describe an action or a phenomenon that shows a lower rate or level of something. For example, "The new government policies are indicating a decrease in unemployment."
Having friends — or allies — around can cause cortisol levels to drop, indicating a decrease in stress.
In amphibians, functional diversity declined dramatically towards OP indicating a decrease of their ecological function.
Because of these, the recent trend indicating a decrease in drug approvals is being corrected.
As parental educational level increases, the coefficients become negative, indicating a decrease in gender inequality.
From left to right, the Psim values gradually diminish, indicating a decrease in the similarity.
The absorption edge also shows an obvious redshift, indicating a decrease of band gap.
The pitting potential decreases with increasing ClO4− ion concentration indicating a decrease in pitting corrosion resistance.
With increasing α, the rigid sedimentation and water separation ratio (WSR) increase, indicating a decrease in the stability of PCLS.
Measures of static and dynamic gait were significantly decreased in the untreated, empty defect group, indicating a decrease in limb function.
On seismic profiles, the relief of the sediment waves decreases from older to younger sequences, possibly indicating a decrease in bottom current intensity throughout their formation.
Furthermore, DSC results showed a decrease in the PLLA melting point and melting enthalpy in both blank and loaded nanoparticles indicating a decrease in polymer crystallinity.
