-7.69% is the change from 897 to 828
Calculation steps:
[( 828 - 897 ) ÷ 897] x 100 = -7.69%
Formula
Percentage change = [(828 - 897) / 897] x 100
Subtract the new number by the original number
828 - 897 = -69
-69 ÷ 897 = -0.07692307692307693
-0.07692307692307693 x 100 = -7.69%