Calculate percentages, increases, decreases, and differences between values. Perfect for financial calculations, discounts, statistics, and everyday math problems.
"What's the final price after a 20% discount on a $50 item?"
50 - (20% × 50) = $40
"How much is a 15% tip on a $75 restaurant bill?"
15% × 75 = $11.25
"What's the total with 8% sales tax on a $120 purchase?"
120 + (8% × 120) = $129.60
"A $1,000 investment grew to $1,200. What's the percentage increase?"
(1200 - 1000) ÷ 1000 × 100 = 20%