-93.15% is the change from 409 to 28
Calculation steps:
[( 28 - 409 ) ÷ 409] x 100 = -93.15%
Formula
Percentage change = [(28 - 409) / 409] x 100
Subtract the new number by the original number
28 - 409 = -381
-381 ÷ 409 = -0.9315403422982885
-0.9315403422982885 x 100 = -93.15%