-86.44% is the change from 531 to 72
Calculation steps:
[( 72 - 531 ) ÷ 531] x 100 = -86.44%
Formula
Percentage change = [(72 - 531) / 531] x 100
Subtract the new number by the original number
72 - 531 = -459
-459 ÷ 531 = -0.864406779661017
-0.864406779661017 x 100 = -86.44%