-8.94% is the change from 850 to 774
Calculation steps:
[( 774 - 850 ) ÷ 850] x 100 = -8.94%
Formula
Percentage change = [(774 - 850) / 850] x 100
Subtract the new number by the original number
774 - 850 = -76
-76 ÷ 850 = -0.08941176470588236
-0.08941176470588236 x 100 = -8.94%