-66.32% is the change from 760 to 256
Calculation steps:
[( 256 - 760 ) ÷ 760] x 100 = -66.32%
Formula
Percentage change = [(256 - 760) / 760] x 100
Subtract the new number by the original number
256 - 760 = -504
-504 ÷ 760 = -0.6631578947368421
-0.6631578947368421 x 100 = -66.32%