-4.89% is the change from 409 to 389
Calculation steps:
[( 389 - 409 ) ÷ 409] x 100 = -4.89%
Formula
Percentage change = [(389 - 409) / 409] x 100
Subtract the new number by the original number
389 - 409 = -20
-20 ÷ 409 = -0.0488997555012225
-0.0488997555012225 x 100 = -4.89%