-9.39% is the change from 831 to 753
Calculation steps:
[( 753 - 831 ) ÷ 831] x 100 = -9.39%
Formula
Percentage change = [(753 - 831) / 831] x 100
Subtract the new number by the original number
753 - 831 = -78
-78 ÷ 831 = -0.09386281588447654
-0.09386281588447654 x 100 = -9.39%