-60.32% is the change from 431 to 171
Calculation steps:
[( 171 - 431 ) ÷ 431] x 100 = -60.32%
Formula
Percentage change = [(171 - 431) / 431] x 100
Subtract the new number by the original number
171 - 431 = -260
-260 ÷ 431 = -0.6032482598607889
-0.6032482598607889 x 100 = -60.32%