-8.14% is the change from 897 to 824
Calculation steps:
[( 824 - 897 ) ÷ 897] x 100 = -8.14%
Formula
Percentage change = [(824 - 897) / 897] x 100
Subtract the new number by the original number
824 - 897 = -73
-73 ÷ 897 = -0.08138238573021182
-0.08138238573021182 x 100 = -8.14%