-47.5% is the change from 539 to 283
Calculation steps:
[( 283 - 539 ) ÷ 539] x 100 = -47.5%
Formula
Percentage change = [(283 - 539) / 539] x 100
Subtract the new number by the original number
283 - 539 = -256
-256 ÷ 539 = -0.4749536178107607
-0.4749536178107607 x 100 = -47.5%