2400% is the change from 13 to 325
Calculation steps:
[( 325 - 13 ) ÷ 13] x 100 = 2400%
Formula
Percentage change = [(325 - 13) / 13] x 100
Subtract the new number by the original number
325 - 13 = 312
312 ÷ 13 = 24
24 x 100 = 2400%
Example