2/3 gone
20% decrease
-20%
20% decrease.
The percent in the decrease of 25 to 20 = 20%
5% decrease.
It is a 60% decrease
25% decrease.
25% decrease.
25% decrease.
5% decrease.
It is: (60-36)/60 times 100 = 40% decrease
Both are correct, depending on the context. If decrease is a noun then decrease of is correct. eg This year we have seen a decrease of 20 percent. If decrease is a verb then decrease by 20 percent is correct. eg This year we can decrease the price by 20 percent.