2700% is the change from 9 to 252
Calculation steps:
[( 252 - 9 ) ÷ 9] x 100 = 2700%
Formula
Percentage change = [(252 - 9) / 9] x 100
Subtract the new number by the original number
252 - 9 = 243
243 ÷ 9 = 27
27 x 100 = 2700%
Example