-41.56% is the change from 539 to 315
Calculation steps:
[( 315 - 539 ) ÷ 539] x 100 = -41.56%
Formula
Percentage change = [(315 - 539) / 539] x 100
Subtract the new number by the original number
315 - 539 = -224
-224 ÷ 539 = -0.4155844155844156
-0.4155844155844156 x 100 = -41.56%