-33.37% is the change from 824 to 549
Calculation steps:
[( 549 - 824 ) ÷ 824] x 100 = -33.37%
Formula
Percentage change = [(549 - 824) / 824] x 100
Subtract the new number by the original number
549 - 824 = -275
-275 ÷ 824 = -0.3337378640776699
-0.3337378640776699 x 100 = -33.37%