-64.93% is the change from 730 to 256
Calculation steps:
[( 256 - 730 ) ÷ 730] x 100 = -64.93%
Formula
Percentage change = [(256 - 730) / 730] x 100
Subtract the new number by the original number
256 - 730 = -474
-474 ÷ 730 = -0.6493150684931507
-0.6493150684931507 x 100 = -64.93%