-6.98% is the change from 831 to 773
Calculation steps:
[( 773 - 831 ) ÷ 831] x 100 = -6.98%
Formula
Percentage change = [(773 - 831) / 831] x 100
Subtract the new number by the original number
773 - 831 = -58
-58 ÷ 831 = -0.06979542719614922
-0.06979542719614922 x 100 = -6.98%