-2.74% is the change from 401 to 390
Calculation steps:
[( 390 - 401 ) ÷ 401] x 100 = -2.74%
Formula
Percentage change = [(390 - 401) / 401] x 100
Subtract the new number by the original number
390 - 401 = -11
-11 ÷ 401 = -0.02743142144638404
-0.02743142144638404 x 100 = -2.74%