-9.51% is the change from 831 to 752
Calculation steps:
[( 752 - 831 ) ÷ 831] x 100 = -9.51%
Formula
Percentage change = [(752 - 831) / 831] x 100
Subtract the new number by the original number
752 - 831 = -79
-79 ÷ 831 = -0.0950661853188929
-0.0950661853188929 x 100 = -9.51%