week #1 : this week

start weight:   91.0kg
after week #1:    88.8kg
loss:   2.2kg  (2.2kg is 2.4% of original body weight)

start % lard:   23%
after week #1:   22%
loss:   1%  (1% less body fat is a proportional drop of 4.3%)

The graph is below, also showing linear trend lines...