2918.52% is the change from 27 to 815
Calculation steps:
[( 815 - 27 ) ÷ 27] x 100 = 2918.52%
Formula
Percentage change = [(815 - 27) / 27] x 100
Subtract the new number by the original number
815 - 27 = 788
788 ÷ 27 = 29.185185185185187
29.185185185185187 x 100 = 2918.52%