-49.39% is the change from 824 to 417
Calculation steps:
[( 417 - 824 ) ÷ 824] x 100 = -49.39%
Formula
Percentage change = [(417 - 824) / 824] x 100
Subtract the new number by the original number
417 - 824 = -407
-407 ÷ 824 = -0.49393203883495146
-0.49393203883495146 x 100 = -49.39%