A 68.75% reduction.
20% decrease.
68.75% decrease.
The decrease from 80 to 64: 20%
25% decrease.
67.1875% decrease.
64/10 = 6.4 x 2 = 12.864 - 12.8 = 51.2
The percent in the decrease of 25 to 20 = 20%
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.
20 percent decrease.
25%. The decrease is 16, which is one quarter of 64, and 1/4 is 25%.
25.5814% decrease.
(72 - 64)/72 x 100 = 11.1 recurring (that is, 11.1111...) percent.