1640.74% is the change from 27 to 470
Calculation steps:
[( 470 - 27 ) ÷ 27] x 100 = 1640.74%
Formula
Percentage change = [(470 - 27) / 27] x 100
Subtract the new number by the original number
470 - 27 = 443
443 ÷ 27 = 16.40740740740741
16.40740740740741 x 100 = 1640.74%