-7.34% is the change from 531 to 492
Calculation steps:
[( 492 - 531 ) ÷ 531] x 100 = -7.34%
Formula
Percentage change = [(492 - 531) / 531] x 100
Subtract the new number by the original number
492 - 531 = -39
-39 ÷ 531 = -0.07344632768361582
-0.07344632768361582 x 100 = -7.34%