-68.36% is the change from 531 to 168
Calculation steps:
[( 168 - 531 ) ÷ 531] x 100 = -68.36%
Formula
Percentage change = [(168 - 531) / 531] x 100
Subtract the new number by the original number
168 - 531 = -363
-363 ÷ 531 = -0.6836158192090396
-0.6836158192090396 x 100 = -68.36%