-67.67% is the change from 529 to 171
Calculation steps:
[( 171 - 529 ) ÷ 529] x 100 = -67.67%
Formula
Percentage change = [(171 - 529) / 529] x 100
Subtract the new number by the original number
171 - 529 = -358
-358 ÷ 529 = -0.6767485822306238
-0.6767485822306238 x 100 = -67.67%