-63.43% is the change from 700 to 256
Calculation steps:
[( 256 - 700 ) ÷ 700] x 100 = -63.43%
Formula
Percentage change = [(256 - 700) / 700] x 100
Subtract the new number by the original number
256 - 700 = -444
-444 ÷ 700 = -0.6342857142857142
-0.6342857142857142 x 100 = -63.43%