-65.41% is the change from 824 to 285
Calculation steps:
[( 285 - 824 ) ÷ 824] x 100 = -65.41%
Formula
Percentage change = [(285 - 824) / 824] x 100
Subtract the new number by the original number
285 - 824 = -539
-539 ÷ 824 = -0.654126213592233
-0.654126213592233 x 100 = -65.41%