-67.72% is the change from 793 to 256
Calculation steps:
[( 256 - 793 ) ÷ 793] x 100 = -67.72%
Formula
Percentage change = [(256 - 793) / 793] x 100
Subtract the new number by the original number
256 - 793 = -537
-537 ÷ 793 = -0.6771752837326608
-0.6771752837326608 x 100 = -67.72%