2450% is the change from 14 to 357
Calculation steps:
[( 357 - 14 ) ÷ 14] x 100 = 2450%
Formula
Percentage change = [(357 - 14) / 14] x 100
Subtract the new number by the original number
357 - 14 = 343
343 ÷ 14 = 24.5
24.5 x 100 = 2450%
Example