177.78% is the change from 9 to 25
Calculation steps:
[( 25 - 9 ) ÷ 9] x 100 = 177.78%
Formula
Percentage change = [(25 - 9) / 9] x 100
Subtract the new number by the original number
25 - 9 = 16
16 ÷ 9 = 1.7777777777777777
1.7777777777777777 x 100 = 177.78%