-1.69% is the change from 531 to 522
Calculation steps:
[( 522 - 531 ) ÷ 531] x 100 = -1.69%
Formula
Percentage change = [(522 - 531) / 531] x 100
Subtract the new number by the original number
522 - 531 = -9
-9 ÷ 531 = -0.01694915254237288
-0.01694915254237288 x 100 = -1.69%