-9.68% is the change from 857 to 774
Calculation steps:
[( 774 - 857 ) ÷ 857] x 100 = -9.68%
Formula
Percentage change = [(774 - 857) / 857] x 100
Subtract the new number by the original number
774 - 857 = -83
-83 ÷ 857 = -0.09684947491248541
-0.09684947491248541 x 100 = -9.68%