-18.84% is the change from 950 to 771
Calculation steps:
[( 771 - 950 ) ÷ 950] x 100 = -18.84%
Formula
Percentage change = [(771 - 950) / 950] x 100
Subtract the new number by the original number
771 - 950 = -179
-179 ÷ 950 = -0.18842105263157893
-0.18842105263157893 x 100 = -18.84%