9.09% is the change from 825 to 900
Calculation steps:
[( 900 - 825 ) ÷ 825] x 100 = 9.09%
Formula
Percentage change = [(900 - 825) / 825] x 100
Subtract the new number by the original number
900 - 825 = 75
75 ÷ 825 = 0.09090909090909091
0.09090909090909091 x 100 = 9.09%