-5.51% is the change from 399 to 377
Calculation steps:
[( 377 - 399 ) ÷ 399] x 100 = -5.51%
Formula
Percentage change = [(377 - 399) / 399] x 100
Subtract the new number by the original number
377 - 399 = -22
-22 ÷ 399 = -0.05513784461152882
-0.05513784461152882 x 100 = -5.51%