-68.57% is the change from 824 to 259
Calculation steps:
[( 259 - 824 ) ÷ 824] x 100 = -68.57%
Formula
Percentage change = [(259 - 824) / 824] x 100
Subtract the new number by the original number
259 - 824 = -565
-565 ÷ 824 = -0.6856796116504854
-0.6856796116504854 x 100 = -68.57%