-67.05% is the change from 774 to 255
Calculation steps:
[( 255 - 774 ) ÷ 774] x 100 = -67.05%
Formula
Percentage change = [(255 - 774) / 774] x 100
Subtract the new number by the original number
255 - 774 = -519
-519 ÷ 774 = -0.6705426356589147
-0.6705426356589147 x 100 = -67.05%