-67.76% is the change from 791 to 255
Calculation steps:
[( 255 - 791 ) ÷ 791] x 100 = -67.76%
Formula
Percentage change = [(255 - 791) / 791] x 100
Subtract the new number by the original number
255 - 791 = -536
-536 ÷ 791 = -0.6776232616940582
-0.6776232616940582 x 100 = -67.76%