-59.41% is the change from 409 to 166
Calculation steps:
[( 166 - 409 ) ÷ 409] x 100 = -59.41%
Formula
Percentage change = [(166 - 409) / 409] x 100
Subtract the new number by the original number
166 - 409 = -243
-243 ÷ 409 = -0.5941320293398533
-0.5941320293398533 x 100 = -59.41%