-63.74% is the change from 706 to 256
Calculation steps:
[( 256 - 706 ) ÷ 706] x 100 = -63.74%
Formula
Percentage change = [(256 - 706) / 706] x 100
Subtract the new number by the original number
256 - 706 = -450
-450 ÷ 706 = -0.6373937677053825
-0.6373937677053825 x 100 = -63.74%