1818.52% is the change from 27 to 518
Calculation steps:
[( 518 - 27 ) ÷ 27] x 100 = 1818.52%
Formula
Percentage change = [(518 - 27) / 27] x 100
Subtract the new number by the original number
518 - 27 = 491
491 ÷ 27 = 18.185185185185187
18.185185185185187 x 100 = 1818.52%