-52.06% is the change from 534 to 256
Calculation steps:
[( 256 - 534 ) ÷ 534] x 100 = -52.06%
Formula
Percentage change = [(256 - 534) / 534] x 100
Subtract the new number by the original number
256 - 534 = -278
-278 ÷ 534 = -0.5205992509363296
-0.5205992509363296 x 100 = -52.06%