-17.35% is the change from 824 to 681
Calculation steps:
[( 681 - 824 ) ÷ 824] x 100 = -17.35%
Formula
Percentage change = [(681 - 824) / 824] x 100
Subtract the new number by the original number
681 - 824 = -143
-143 ÷ 824 = -0.17354368932038836
-0.17354368932038836 x 100 = -17.35%