For a computer, the original price is 4800 yuan, and the current price is 2880 yuan. What's the price reduction? How much discount? What's the formula

For a computer, the original price is 4800 yuan, and the current price is 2880 yuan. What's the price reduction? How much discount? What's the formula

(4800-2880) △ 4800 × 100% = 40% price reduction 40%
2880 △ 4800 × 100% = 60% discount