-9.51% is the change from 852 to 771
Calculation steps:
[( 771 - 852 ) ÷ 852] x 100 = -9.51%
Formula
Percentage change = [(771 - 852) / 852] x 100
Subtract the new number by the original number
771 - 852 = -81
-81 ÷ 852 = -0.09507042253521127
-0.09507042253521127 x 100 = -9.51%