help me pleaseeeeees

Answer:
1. Percent change - 14.5455% ≈ 15% | decrease
2. Percent change - 30.2326% ≈ 30% | increase
3. New price - $83.74
4. New price - $436.50
Step-by-step explanation:
To find an increase or decrease in price, if you have the percent provided, convert the percent into a decimal, then multiply the percent by the price, if it's an increase, add the price by the sum, if it's a decrease, subtract the price by the sum.