-82.4% is the change from 409 to 72
Calculation steps:
[( 72 - 409 ) ÷ 409] x 100 = -82.4%
Formula
Percentage change = [(72 - 409) / 409] x 100
Subtract the new number by the original number
72 - 409 = -337
-337 ÷ 409 = -0.823960880195599
-0.823960880195599 x 100 = -82.4%