The phrase "to project a decrease" means to predict or estimate that there will be a reduction or decrease in something.
Sentences with «to project a decrease»
Areas receiving higher than a 1.0 indicate increased activity; those with less than that number project a decrease. (nreionline.com)
Existing modelling studies also consistently project decreases in the globally averaged frequency of tropical cyclones, by 6 — 34 %. (climateaudit.org)
With more internal communications, Exterro also projects a decrease in email useage. (blogs.findlaw.com)