-19.77% is the change from 531 to 426
Calculation steps:
[( 426 - 531 ) ÷ 531] x 100 = -19.77%
Formula
Percentage change = [(426 - 531) / 531] x 100
Subtract the new number by the original number
426 - 531 = -105
-105 ÷ 531 = -0.1977401129943503
-0.1977401129943503 x 100 = -19.77%