-63.06% is the change from 693 to 256
Calculation steps:
[( 256 - 693 ) ÷ 693] x 100 = -63.06%
Formula
Percentage change = [(256 - 693) / 693] x 100
Subtract the new number by the original number
256 - 693 = -437
-437 ÷ 693 = -0.6305916305916306
-0.6305916305916306 x 100 = -63.06%