1507.41% is the change from 27 to 434
Calculation steps:
[( 434 - 27 ) ÷ 27] x 100 = 1507.41%
Formula
Percentage change = [(434 - 27) / 27] x 100
Subtract the new number by the original number
434 - 27 = 407
407 ÷ 27 = 15.074074074074074
15.074074074074074 x 100 = 1507.41%