-41.02% is the change from 824 to 486
Calculation steps:
[( 486 - 824 ) ÷ 824] x 100 = -41.02%
Formula
Percentage change = [(486 - 824) / 824] x 100
Subtract the new number by the original number
486 - 824 = -338
-338 ÷ 824 = -0.41019417475728154
-0.41019417475728154 x 100 = -41.02%