-2.55% is the change from 981 to 956
Calculation steps:
[( 956 - 981 ) ÷ 981] x 100 = -2.55%
Formula
Percentage change = [(956 - 981) / 981] x 100
Subtract the new number by the original number
956 - 981 = -25
-25 ÷ 981 = -0.0254841997961264
-0.0254841997961264 x 100 = -2.55%