-81.91% is the change from 409 to 74
Calculation steps:
[( 74 - 409 ) ÷ 409] x 100 = -81.91%
Formula
Percentage change = [(74 - 409) / 409] x 100
Subtract the new number by the original number
74 - 409 = -335
-335 ÷ 409 = -0.8190709046454768
-0.8190709046454768 x 100 = -81.91%