A 3-year-old boy from rural Maharashtra is brought to the pediatric clinic by his mother for routine health check-up. On examination, his weight is 12 kg and height is 88 cm. His mother reports that he was born at term with a birth weight of 2.8 kg and birth length of 48 cm. He has been exclusively breastfed until 6 months and is now on mixed feeding. On plotting his measurements on the WHO growth chart, his weight-for-age falls at the 5th percentile and his height-for-age falls at the 10th percentile. His weight-for-height is at the 25th percentile. Which pattern of growth does this child demonstrate?