Question

Percent Increase and Decrease question #10: From 84 seconds to 8 seconds

Answer 1

(change/original)*100
(76/84)*100
90.5% decrease

Answer 2

90.48%

Explanation:

From 84 seconds to 8 seconds

To find the percentage of increase or decrease. In the data number change from 84 to 8 seconds

So, decreases

Formula:

`\%=(Difference)/(Original)* 100`

Difference = 84 - 8

= 76

Original Number = 84

`\text{Decrease Percentage} = (76)/(84)*100`

`=90.48\%`

Hence, The decrease percentage is 90.48%