-34.59% is the change from 824 to 539
Calculation steps:
[( 539 - 824 ) ÷ 824] x 100 = -34.59%
Formula
Percentage change = [(539 - 824) / 824] x 100
Subtract the new number by the original number
539 - 824 = -285
-285 ÷ 824 = -0.345873786407767
-0.345873786407767 x 100 = -34.59%