% rate:
= 18/90 * 100%
= 0.20 * 100%
= 20%
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Percentage of 18 out 20 is 90%.
18 out of 20 as a percentage is 90%
18/20 = 90/100 ie 90%
18/20 as a percentage is 90%
The percent of decrease means "what is the percentage decrease from a larger number to a smaller number?" For example: What is the percentage decrease from 90 to 72? Solution: (90 - 72) / 90 = % 18 / 90 = 1 / 5 = .2 = 20% Check: 90 * .2 = 18 90 - 18 = 72 = true!