-20.41% is the change from 539 to 429
Calculation steps:
[( 429 - 539 ) ÷ 539] x 100 = -20.41%
Formula
Percentage change = [(429 - 539) / 539] x 100
Subtract the new number by the original number
429 - 539 = -110
-110 ÷ 539 = -0.20408163265306123
-0.20408163265306123 x 100 = -20.41%