Gain Loss Percentage Calculator. Lbs lost divided by starting weight. For instance if your starting body weight was 200 pounds and your present weight is 180 pounds subtract 180 from 200.
Perform Subtraction on the cells from both the initial and recent values.
Percent decrease 100 - new old 100 where new is the newer quantity or measure and old is the older quantity or measure. Percentage weight loss is calculated by taking away in pounds your present weight from your starting weight. The result is the gain or loss. Add a column for gain or loss.