-8.25% is the change from 897 to 823
Calculation steps:
[( 823 - 897 ) ÷ 897] x 100 = -8.25%
Formula
Percentage change = [(823 - 897) / 897] x 100
Subtract the new number by the original number
823 - 897 = -74
-74 ÷ 897 = -0.08249721293199554
-0.08249721293199554 x 100 = -8.25%