-17.7% is the change from 531 to 437
Calculation steps:
[( 437 - 531 ) ÷ 531] x 100 = -17.7%
Formula
Percentage change = [(437 - 531) / 531] x 100
Subtract the new number by the original number
437 - 531 = -94
-94 ÷ 531 = -0.17702448210922786
-0.17702448210922786 x 100 = -17.7%