-39.61% is the change from 409 to 247
Calculation steps:
[( 247 - 409 ) ÷ 409] x 100 = -39.61%
Formula
Percentage change = [(247 - 409) / 409] x 100
Subtract the new number by the original number
247 - 409 = -162
-162 ÷ 409 = -0.3960880195599022
-0.3960880195599022 x 100 = -39.61%