-63.41% is the change from 697 to 255
Calculation steps:
[( 255 - 697 ) ÷ 697] x 100 = -63.41%
Formula
Percentage change = [(255 - 697) / 697] x 100
Subtract the new number by the original number
255 - 697 = -442
-442 ÷ 697 = -0.6341463414634146
-0.6341463414634146 x 100 = -63.41%