-25.85% is the change from 530 to 393
Calculation steps:
[( 393 - 530 ) ÷ 530] x 100 = -25.85%
Formula
Percentage change = [(393 - 530) / 530] x 100
Subtract the new number by the original number
393 - 530 = -137
-137 ÷ 530 = -0.25849056603773585
-0.25849056603773585 x 100 = -25.85%