Measuring a change as a percentage

Dividing the change by the original amount, never the new one, as a percentage.

Percentage profit and loss

Profit or loss as a percentage of the cost price the seller originally paid.

Comparing changes by percentage

Deciding which rise or fall is proportionally larger, whatever the amounts say.

Practice

Measuring a change as a percentage

Dividing the change by the original amount, never the new one, as a percentage.

Practice

Percentage profit and loss

Profit or loss as a percentage of the cost price the seller originally paid.

Practice

Profit and loss review

Percentage change from two amounts, profit and loss, and fair comparisons.

Mixed review