The phrase "amount has decreased" is correct and usable in written English.
It can be used when discussing a reduction in quantity, value, or level of something.
Example: "The amount has decreased significantly over the past year, indicating a shift in consumer behavior."
Alternatives: "quantity has declined" or "total has dropped."
Historically, about 80 percent of police officers leave after 20 years, when they become eligible for a pension, though that amount has decreased to about 60 percent in recent years, a police spokesman said.
Although that amount has decreased in comparison to to the previous week, the number of applications that have been delayed for more than 90 days has increased by 352, amounting to 4,410 in total.
And those small amounts have decreased as 401(k) plans have lost 30% of their value on average due to the plummeting of stock market prices.
On a $150 bill for a visit, Medicaid pays $84, an amount that has decreased steadily in recent years.
By day two, the amount of Germ1 has decreased substantially.
During the last 30 years, the amount of precipitation has decreased, while the temperature pattern illustrates an increasing trend.
Currently, plans for clinical therapy services encourage higher delivery of procedures (because the therapy services are commonly reimbursed by procedural code) and volume of patients treated per time frame (because the amount of reimbursement has decreased by insurance companies in an attempt to control costs of services) [ 8, 9].
The U.S. EPA (2006) estimates that the total amount of EPTC used has decreased from an average of 21 million pounds in 1987 to 9 million pounds in 1999.
Right after the manipulated biting event the amount of fungal cells inside the head appears to have increased, while the amount of host tissue has decreased even further.
"We've increased the amount of boardings we do, and that has decreased the amount of search and rescue cases," Chief Mello said.
