public function testRelativePercent()
{
isSame('200', Vars::relativePercent(50, 100));
isSame('33', Vars::relativePercent(150, 50));
isSame('300', Vars::relativePercent(50, 150));
isSame('100', Vars::relativePercent(100, 100));
isSame('10 000', Vars::relativePercent(1, 100));
isSame('1', Vars::relativePercent(100, 1));
isSame('100', Vars::relativePercent(0, 1));
}