Answer :

ddk
The raw increase from 50 to 90 is 40.
So the question is how much of 50 is 40?

Let's divide the two: 40/50 = .8

So 40 is .8 of 50. But what is .8 in percentage form?

.8 x 100 = 80%

So the move from 50 to 90 is an 80% increase.

A percentage is a way to describe a part of a whole. The percentage of increase from 50 to 90 is 80%.

What are Percentages?

A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.

The percent of increase from 50 to 90 is,

= (90-50)/50 × 100%

= 40/50 × 100%

= 0.80 × 100%

= 80%

Hence, the percentage of increase from 50 to 90 is 80%.

Learn more about Percentages:

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