Percy had just come out of the Bank which had become home for most everybody in the village since their village was demolished, and saw the Oliver's sparks coming up above the line of trees to the North. He apparated to the edge of the forest and from there, proceeded to move on foot. All the while, Percy's mind was racing: Oliver told him on the journal that he'd come from the year 2003... only two years before Percy's time, which was a relief. It would be less of a shock than if, say, Oliver had appeared fresh out of Hogwarts. Percy was also relieved to know that Oliver wasn't far from the future, because given their shared past, Percy wasn't sure that he was prepared to meet an Oliver who was his partner.
Red sparks went up again, which was helpful, because although Percy was in the forest by now and couldn't see the sky as clearly past the branches overhead, he could see enough and actually hear the direction the crackling spell was being cast. It helped to pinpoint Oliver's location.
In a few short minutes, Percy could see Oliver, looking rather dejected. Percy grimaced a little and called out, "Olliver!" and waved his arm in the air to get his friend's attention. "I'm here!"