-26.28% is the change from 529 to 390
Calculation steps:
[( 390 - 529 ) ÷ 529] x 100 = -26.28%
Formula
Percentage change = [(390 - 529) / 529] x 100
Subtract the new number by the original number
390 - 529 = -139
-139 ÷ 529 = -0.2627599243856333
-0.2627599243856333 x 100 = -26.28%