-52.21% is the change from 542 to 259
Calculation steps:
[( 259 - 542 ) ÷ 542] x 100 = -52.21%
Formula
Percentage change = [(259 - 542) / 542] x 100
Subtract the new number by the original number
259 - 542 = -283
-283 ÷ 542 = -0.522140221402214
-0.522140221402214 x 100 = -52.21%