-73.55% is the change from 964 to 255
Calculation steps:
[( 255 - 964 ) ÷ 964] x 100 = -73.55%
Formula
Percentage change = [(255 - 964) / 964] x 100
Subtract the new number by the original number
255 - 964 = -709
-709 ÷ 964 = -0.7354771784232366
-0.7354771784232366 x 100 = -73.55%