PHILADELPHIA — Like the entire Atlanta Braves team, Hector Olivera and Williams Perez were happy to end their struggles. Olivera homered, doubled and drove in four runs and Perez pitched seven strong innings to help Atlanta end its 12-game losing streak, beating the Philadelphia Phillies 7-2 on Monday night. “I’m just happy I could contribute and help the club win,” Olivera said through an interpreter.