-64.14% is the change from 711 to 255
Calculation steps:
[( 255 - 711 ) ÷ 711] x 100 = -64.14%
Formula
Percentage change = [(255 - 711) / 711] x 100
Subtract the new number by the original number
255 - 711 = -456
-456 ÷ 711 = -0.6413502109704642
-0.6413502109704642 x 100 = -64.14%