-48.06% is the change from 824 to 428
Calculation steps:
[( 428 - 824 ) ÷ 824] x 100 = -48.06%
Formula
Percentage change = [(428 - 824) / 824] x 100
Subtract the new number by the original number
428 - 824 = -396
-396 ÷ 824 = -0.48058252427184467
-0.48058252427184467 x 100 = -48.06%