2323.08% is the change from 13 to 315
Calculation steps:
[( 315 - 13 ) ÷ 13] x 100 = 2323.08%
Formula
Percentage change = [(315 - 13) / 13] x 100
Subtract the new number by the original number
315 - 13 = 302
302 ÷ 13 = 23.23076923076923
23.23076923076923 x 100 = 2323.08%