-21.15% is the change from 539 to 425
Calculation steps:
[( 425 - 539 ) ÷ 539] x 100 = -21.15%
Formula
Percentage change = [(425 - 539) / 539] x 100
Subtract the new number by the original number
425 - 539 = -114
-114 ÷ 539 = -0.21150278293135436
-0.21150278293135436 x 100 = -21.15%