-58.19% is the change from 409 to 171
Calculation steps:
[( 171 - 409 ) ÷ 409] x 100 = -58.19%
Formula
Percentage change = [(171 - 409) / 409] x 100
Subtract the new number by the original number
171 - 409 = -238
-238 ÷ 409 = -0.5819070904645477
-0.5819070904645477 x 100 = -58.19%