-67.76% is the change from 794 to 256
Calculation steps:
[( 256 - 794 ) ÷ 794] x 100 = -67.76%
Formula
Percentage change = [(256 - 794) / 794] x 100
Subtract the new number by the original number
256 - 794 = -538
-538 ÷ 794 = -0.6775818639798489
-0.6775818639798489 x 100 = -67.76%