-19.35% is the change from 956 to 771
Calculation steps:
[( 771 - 956 ) ÷ 956] x 100 = -19.35%
Formula
Percentage change = [(771 - 956) / 956] x 100
Subtract the new number by the original number
771 - 956 = -185
-185 ÷ 956 = -0.19351464435146443
-0.19351464435146443 x 100 = -19.35%