Compute aquaculture feeding rate as body-weight percentage.
计算数值的百分比、占比、增长率等
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Percentage | P = A/B × 100% | Basic mathematics |
| Composition | Parts sum to 100% | Statistical expression |
| Growth rate | (new − old)/old × 100% | Basic statistics |
| Percentage point | Difference in % = percentage points | Statistical terminology |
| Rounding | Significant-figure rules | GB/T 8170-2008 |
| Base check | Undefined when denominator = 0 | Mathematical definition |