-17.81% is the change from 831 to 683
Calculation steps:
[( 683 - 831 ) ÷ 831] x 100 = -17.81%
Formula
Percentage change = [(683 - 831) / 831] x 100
Subtract the new number by the original number
683 - 831 = -148
-148 ÷ 831 = -0.17809867629362214
-0.17809867629362214 x 100 = -17.81%