-52.42% is the change from 538 to 256
Calculation steps:
[( 256 - 538 ) ÷ 538] x 100 = -52.42%
Formula
Percentage change = [(256 - 538) / 538] x 100
Subtract the new number by the original number
256 - 538 = -282
-282 ÷ 538 = -0.5241635687732342
-0.5241635687732342 x 100 = -52.42%