-67.22% is the change from 781 to 256
Calculation steps:
[( 256 - 781 ) ÷ 781] x 100 = -67.22%
Formula
Percentage change = [(256 - 781) / 781] x 100
Subtract the new number by the original number
256 - 781 = -525
-525 ÷ 781 = -0.6722151088348272
-0.6722151088348272 x 100 = -67.22%