-4.02% is the change from 996 to 956
Calculation steps:
[( 956 - 996 ) ÷ 996] x 100 = -4.02%
Formula
Percentage change = [(956 - 996) / 996] x 100
Subtract the new number by the original number
956 - 996 = -40
-40 ÷ 996 = -0.040160642570281124
-0.040160642570281124 x 100 = -4.02%