Java BigDecimal percentChange(BigDecimal oldValue, BigDecimal newValue)

Description

percent Change

License

Open Source License

Declaration

public static float percentChange(BigDecimal oldValue, BigDecimal newValue) 

Method Source Code

//package com.java2s;
/**//  w  w  w .  ja va2s . c o  m
 * Copyright (C) 2016 Yoann Manvieu
 *
 * This software is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

import java.math.BigDecimal;
import java.math.RoundingMode;

public class Main {
    private static final BigDecimal HUNDRED = new BigDecimal("100");
    private static final int SCALE = 10;

    public static float percentChange(BigDecimal oldValue, BigDecimal newValue) {
        return divide(newValue.subtract(oldValue), oldValue).multiply(HUNDRED).floatValue();
    }

    public static BigDecimal divide(BigDecimal dividend, BigDecimal divisor) {
        return dividend.divide(divisor, SCALE, RoundingMode.HALF_EVEN);
    }
}

Related

1. objectToBigDecimal(Object object)
2. objToBigDecimal(Object obj)
3. PackUnit2Uom(BigDecimal packUit, String eachUnitName)
4. percent0(final BigDecimal c, final BigDecimal percent)
5. percentage(BigDecimal bd)
6. percentOf(BigDecimal fullAmount, int percentToKeep)
7. percentToFactor(BigDecimal percent)
8. printBigDecimal(BigDecimal decimal)
9. printGainHTML(BigDecimal gain)