1400% is the change from 27 to 405
Calculation steps:
[( 405 - 27 ) ÷ 27] x 100 = 1400%
Formula
Percentage change = [(405 - 27) / 27] x 100
Subtract the new number by the original number
405 - 27 = 378
378 ÷ 27 = 14
14 x 100 = 1400%
Example