Here are some differences
-Indicators are about whole populations.
-Indicators are usually about peoples’ lives, whether or not they receive any service.
-Indicators are proxies for the well-being of whole populations, and necessarily matters of approximation and compromise.
-Performance measures are about client populations.
-Performance measures are usually about people who receive service.
-Performance measures are about a known group of people who get service and conditions for this group can be precisely measured.