-62.58% is the change from 457 to 171
Calculation steps:
[( 171 - 457 ) ÷ 457] x 100 = -62.58%
Formula
Percentage change = [(171 - 457) / 457] x 100
Subtract the new number by the original number
171 - 457 = -286
-286 ÷ 457 = -0.6258205689277899
-0.6258205689277899 x 100 = -62.58%