-26.82% is the change from 824 to 603
Calculation steps:
[( 603 - 824 ) ÷ 824] x 100 = -26.82%
Formula
Percentage change = [(603 - 824) / 824] x 100
Subtract the new number by the original number
603 - 824 = -221
-221 ÷ 824 = -0.2682038834951456
-0.2682038834951456 x 100 = -26.82%