-75.93% is the change from 831 to 200
Calculation steps:
[( 200 - 831 ) ÷ 831] x 100 = -75.93%
Formula
Percentage change = [(200 - 831) / 831] x 100
Subtract the new number by the original number
200 - 831 = -631
-631 ÷ 831 = -0.7593261131167268
-0.7593261131167268 x 100 = -75.93%