Function: divide(100 *(gradient[1](minus(numbers('rep'), numbers('ryy')) if numbers('rep') > numbers('rrr') if numbers('rep') > numbers('ryy') else minus(numbers('rep'), numbers('ryy')) else numbers('ryy'))), gradient[1](numbers('ryy') if numbers('rep') > minus(numbers('rep'), numbers('ryy')) if numbers('rep') > numbers('rrr') else numbers('ryy') else minus(numbers('rep'), numbers('ryy'))))