One can now calculate the efficiency factor or balance delay i.e., the difference between total time available for completion of job and the total time required, expressed as a percentage of total time available:
Mtu anaweza sasa mahesabu ya ufanisi sababu au uwiano kuchelewa k.v., tofauti kati ya muda jumla inapatikana kwa ajili ya kukamilisha kazi na wakati jumla ya required, walionyesha kama asilimia ya muda jumla inapatikana: