-66.06% is the change from 831 to 282
Calculation steps:
[( 282 - 831 ) ÷ 831] x 100 = -66.06%
Formula
Percentage change = [(282 - 831) / 831] x 100
Subtract the new number by the original number
282 - 831 = -549
-549 ÷ 831 = -0.6606498194945848
-0.6606498194945848 x 100 = -66.06%