-61.01% is the change from 654 to 255
Calculation steps:
[( 255 - 654 ) ÷ 654] x 100 = -61.01%
Formula
Percentage change = [(255 - 654) / 654] x 100
Subtract the new number by the original number
255 - 654 = -399
-399 ÷ 654 = -0.6100917431192661
-0.6100917431192661 x 100 = -61.01%