-63.68% is the change from 702 to 255
Calculation steps:
[( 255 - 702 ) ÷ 702] x 100 = -63.68%
Formula
Percentage change = [(255 - 702) / 702] x 100
Subtract the new number by the original number
255 - 702 = -447
-447 ÷ 702 = -0.6367521367521367
-0.6367521367521367 x 100 = -63.68%