-65.17% is the change from 824 to 287
Calculation steps:
[( 287 - 824 ) ÷ 824] x 100 = -65.17%
Formula
Percentage change = [(287 - 824) / 824] x 100
Subtract the new number by the original number
287 - 824 = -537
-537 ÷ 824 = -0.6516990291262136
-0.6516990291262136 x 100 = -65.17%