-67.31% is the change from 783 to 256
Calculation steps:
[( 256 - 783 ) ÷ 783] x 100 = -67.31%
Formula
Percentage change = [(256 - 783) / 783] x 100
Subtract the new number by the original number
256 - 783 = -527
-527 ÷ 783 = -0.6730523627075351
-0.6730523627075351 x 100 = -67.31%