-64.04% is the change from 712 to 256
Calculation steps:
[( 256 - 712 ) ÷ 712] x 100 = -64.04%
Formula
Percentage change = [(256 - 712) / 712] x 100
Subtract the new number by the original number
256 - 712 = -456
-456 ÷ 712 = -0.6404494382022472
-0.6404494382022472 x 100 = -64.04%