-6.21% is the change from 531 to 498
Calculation steps:
[( 498 - 531 ) ÷ 531] x 100 = -6.21%
Formula
Percentage change = [(498 - 531) / 531] x 100
Subtract the new number by the original number
498 - 531 = -33
-33 ÷ 531 = -0.062146892655367235
-0.062146892655367235 x 100 = -6.21%