-17.55% is the change from 530 to 437
Calculation steps:
[( 437 - 530 ) ÷ 530] x 100 = -17.55%
Formula
Percentage change = [(437 - 530) / 530] x 100
Subtract the new number by the original number
437 - 530 = -93
-93 ÷ 530 = -0.17547169811320754
-0.17547169811320754 x 100 = -17.55%