2261.54% is the change from 13 to 307
Calculation steps:
[( 307 - 13 ) ÷ 13] x 100 = 2261.54%
Formula
Percentage change = [(307 - 13) / 13] x 100
Subtract the new number by the original number
307 - 13 = 294
294 ÷ 13 = 22.615384615384617
22.615384615384617 x 100 = 2261.54%