-73.52% is the change from 963 to 255
Calculation steps:
[( 255 - 963 ) ÷ 963] x 100 = -73.52%
Formula
Percentage change = [(255 - 963) / 963] x 100
Subtract the new number by the original number
255 - 963 = -708
-708 ÷ 963 = -0.735202492211838
-0.735202492211838 x 100 = -73.52%