-73.35% is the change from 409 to 109
Calculation steps:
[( 109 - 409 ) ÷ 409] x 100 = -73.35%
Formula
Percentage change = [(109 - 409) / 409] x 100
Subtract the new number by the original number
109 - 409 = -300
-300 ÷ 409 = -0.7334963325183375
-0.7334963325183375 x 100 = -73.35%