-4.77% is the change from 419 to 399
Calculation steps:
[( 399 - 419 ) ÷ 419] x 100 = -4.77%
Formula
Percentage change = [(399 - 419) / 419] x 100
Subtract the new number by the original number
399 - 419 = -20
-20 ÷ 419 = -0.0477326968973747
-0.0477326968973747 x 100 = -4.77%