-63.89% is the change from 709 to 256
Calculation steps:
[( 256 - 709 ) ÷ 709] x 100 = -63.89%
Formula
Percentage change = [(256 - 709) / 709] x 100
Subtract the new number by the original number
256 - 709 = -453
-453 ÷ 709 = -0.6389280677009873
-0.6389280677009873 x 100 = -63.89%