-12.64% is the change from 831 to 726
Calculation steps:
[( 726 - 831 ) ÷ 831] x 100 = -12.64%
Formula
Percentage change = [(726 - 831) / 831] x 100
Subtract the new number by the original number
726 - 831 = -105
-105 ÷ 831 = -0.1263537906137184
-0.1263537906137184 x 100 = -12.64%