-97.09% is the change from 825 to 24
Calculation steps:
[( 24 - 825 ) ÷ 825] x 100 = -97.09%
Formula
Percentage change = [(24 - 825) / 825] x 100
Subtract the new number by the original number
24 - 825 = -801
-801 ÷ 825 = -0.9709090909090909
-0.9709090909090909 x 100 = -97.09%