-58.74% is the change from 824 to 340
Calculation steps:
[( 340 - 824 ) ÷ 824] x 100 = -58.74%
Formula
Percentage change = [(340 - 824) / 824] x 100
Subtract the new number by the original number
340 - 824 = -484
-484 ÷ 824 = -0.587378640776699
-0.587378640776699 x 100 = -58.74%