-67.43% is the change from 786 to 256
Calculation steps:
[( 256 - 786 ) ÷ 786] x 100 = -67.43%
Formula
Percentage change = [(256 - 786) / 786] x 100
Subtract the new number by the original number
256 - 786 = -530
-530 ÷ 786 = -0.6743002544529262
-0.6743002544529262 x 100 = -67.43%