Fill rate is exact division of filled units by demand.

highlighted = computed this step

Divide filled by demand

Fill rate is filled units divided by demand.

fill rate=filled/demand\text{fill rate}=\text{filled}/\text{demand}
Initial ratesThe table exposes fill rate and stockout rate.initial ratesratefill rate21/25stockout rate4/25

Fill rate

The fill rate is 21/25.

42/50=21/2542 / 50 = 21/25
Initial ratesThe table exposes fill rate and stockout rate.initial ratesratefill rate21/25stockout rate4/25