The phrase "a significant reduction from" is correct and usable in written English.
It can be used when discussing a decrease in quantity, size, or amount compared to a previous figure or standard.
Example: "The company reported a significant reduction from last year's expenses, leading to increased profits."
Alternatives: "a considerable decrease from" or "a notable drop from".
The original said "a significant reduction from 2009, when six short stories were broadcast weekly".
The new rules heralded a significant reduction from the previous "Euro 5" standard which allowed 0.18g per km.
There was a significant reduction from preoperative to 12-month postoperative BMI (45 to 31 kg/m(2), p ≤ 0.01).
But while such cuts would represent a significant reduction from current levels, the remaining American and Russian arsenals would still be more than enough to obliterate each side.
This is a significant reduction from 2009, when 59 municipalities could boast that a majority of residents had jobs.
Although a significant reduction from the 41,000 Nato troops currently in the country, this international commitment to counter-insurgency is vital, said Mohammad Isaqzadeh, a political analyst in Kabul.
The national postal service expects its cumulative losses from letters to be $1.5bn over the next five years, a significant reduction from the original $5bn forecast before its reforms.
The manufacturer, the Northrop Grumman Corporation, has offered to build 40 more of the aircraft at a cost of $735 million each, a significant reduction from the $2.2-billion-a-plane 2.2-billion-a-plane 2.2-billion-a-plane 2.2-billion-a-plane
Before this week, the only suicide recorded by the Department of Correction since June 2003 happened in March 2004, a significant reduction from the first half of 2003, when six inmates killed themselves.
The BBC announced in July that it would reduce Radio 4's short story output from three a week to one a week from next spring – a significant reduction from 2008, when five short stories were broadcast weekly.
Operating at 20 kV, the point resolution for 100% transmission reaches 50 nm with the mirror corrector, a significant reduction from that of 440 nm without correction.
