-53.03% is the change from 824 to 387
Calculation steps:
[( 387 - 824 ) ÷ 824] x 100 = -53.03%
Formula
Percentage change = [(387 - 824) / 824] x 100
Subtract the new number by the original number
387 - 824 = -437
-437 ÷ 824 = -0.5303398058252428
-0.5303398058252428 x 100 = -53.03%