-61.09% is the change from 658 to 256
Calculation steps:
[( 256 - 658 ) ÷ 658] x 100 = -61.09%
Formula
Percentage change = [(256 - 658) / 658] x 100
Subtract the new number by the original number
256 - 658 = -402
-402 ÷ 658 = -0.6109422492401215
-0.6109422492401215 x 100 = -61.09%