Mathematics for IGCSE & O level - Percentages (Section 3 - No. 40)
Which of the following scenarios represents a percentage increase?
A salary increases from $50,000 to $60,000
A discount of 10% is applied
The population of a town decreases
The price of a stock goes up from $10 to $12
Paliwanag
Increase means going up so the salary increased, the stock price increased.