Stock

class Stock {
    String symbol;
    String name;
    double previousClosingPrice;
    double currentPrice;
    int ID;

    Stock(String s, String n, int i) {
        symbol = s;
        name = n;
        ID = i;
    }

    double getChangePercent() {
        return ((currentPrice - previousClosingPrice) / previousClosingPrice) * 100;
    }
}