-21.09% is the change from 531 to 419
Calculation steps:
[( 419 - 531 ) ÷ 531] x 100 = -21.09%
Formula
Percentage change = [(419 - 531) / 531] x 100
Subtract the new number by the original number
419 - 531 = -112
-112 ÷ 531 = -0.21092278719397364
-0.21092278719397364 x 100 = -21.09%