There are two commonly used calculation methods:

One is:

Adult: [height (cm)- 100] × 0.9 = standard weight (kg)

The other is:

Male: height (cm)- 105= standard weight (kg)

Female: Height (cm)- 100= standard weight (kg)

The above two calculation methods have basically been widely used.

Then176-100 * 0.9 = 68.4kg.

Type ⅱ:176-105 = 71kg.

Then you have lost weight.