Function: mod(100 *(minus(numbers('yxr') if numbers("per") > numbers('xyy') else numbers("xxr"), numbers('xyy'))) if numbers('xyy') > minus(numbers('xyy') if numbers("xxr") > numbers("per") else numbers('yxr'), numbers('xyy')) else numbers('xyy') if numbers("xxr") > numbers("per") else numbers('yxr'), 100 *(minus(numbers('xyy') if numbers('yxr') > numbers("per") else numbers("xxr"), numbers('xyy'))))