-33.86% is the change from 824 to 545
Calculation steps:
[( 545 - 824 ) ÷ 824] x 100 = -33.86%
Formula
Percentage change = [(545 - 824) / 824] x 100
Subtract the new number by the original number
545 - 824 = -279
-279 ÷ 824 = -0.33859223300970875
-0.33859223300970875 x 100 = -33.86%