-18.08% is the change from 824 to 675
Calculation steps:
[( 675 - 824 ) ÷ 824] x 100 = -18.08%
Formula
Percentage change = [(675 - 824) / 824] x 100
Subtract the new number by the original number
675 - 824 = -149
-149 ÷ 824 = -0.1808252427184466
-0.1808252427184466 x 100 = -18.08%