Is the value of the new amount greater or less than the value of the original amount?
Decrease; 10 %.
Practice makes perfect
To determine the percent change p, we can use the following general formula.
p % =Amount of increase or decrease/Original amountFrom the given values, we can see the original amount was 150 lb and the new amount is 135 lb. This is a decrease in the amount.
150 - 135= 15
The difference between the new amount and the original amount is 15 lb. Now, we can use the formula.