-40.59% is the change from 409 to 243
Calculation steps:
[( 243 - 409 ) ÷ 409] x 100 = -40.59%
Formula
Percentage change = [(243 - 409) / 409] x 100
Subtract the new number by the original number
243 - 409 = -166
-166 ÷ 409 = -0.4058679706601467
-0.4058679706601467 x 100 = -40.59%