-66.29% is the change from 531 to 179
Calculation steps:
[( 179 - 531 ) ÷ 531] x 100 = -66.29%
Formula
Percentage change = [(179 - 531) / 531] x 100
Subtract the new number by the original number
179 - 531 = -352
-352 ÷ 531 = -0.6629001883239172
-0.6629001883239172 x 100 = -66.29%