-64.65% is the change from 727 to 257
Calculation steps:
[( 257 - 727 ) ÷ 727] x 100 = -64.65%
Formula
Percentage change = [(257 - 727) / 727] x 100
Subtract the new number by the original number
257 - 727 = -470
-470 ÷ 727 = -0.6464924346629987
-0.6464924346629987 x 100 = -64.65%
Example