-64.45% is the change from 723 to 257
Calculation steps:
[( 257 - 723 ) ÷ 723] x 100 = -64.45%
Formula
Percentage change = [(257 - 723) / 723] x 100
Subtract the new number by the original number
257 - 723 = -466
-466 ÷ 723 = -0.6445366528354081
-0.6445366528354081 x 100 = -64.45%