-14.92% is the change from 831 to 707
Calculation steps:
[( 707 - 831 ) ÷ 831] x 100 = -14.92%
Formula
Percentage change = [(707 - 831) / 831] x 100
Subtract the new number by the original number
707 - 831 = -124
-124 ÷ 831 = -0.14921780986762936
-0.14921780986762936 x 100 = -14.92%