-52.18% is the change from 824 to 394
Calculation steps:
[( 394 - 824 ) ÷ 824] x 100 = -52.18%
Formula
Percentage change = [(394 - 824) / 824] x 100
Subtract the new number by the original number
394 - 824 = -430
-430 ÷ 824 = -0.5218446601941747
-0.5218446601941747 x 100 = -52.18%