-40.17% is the change from 824 to 493
Calculation steps:
[( 493 - 824 ) ÷ 824] x 100 = -40.17%
Formula
Percentage change = [(493 - 824) / 824] x 100
Subtract the new number by the original number
493 - 824 = -331
-331 ÷ 824 = -0.4016990291262136
-0.4016990291262136 x 100 = -40.17%