814.81% is the change from 27 to 247
Calculation steps:
[( 247 - 27 ) ÷ 27] x 100 = 814.81%
Formula
Percentage change = [(247 - 27) / 27] x 100
Subtract the new number by the original number
247 - 27 = 220
220 ÷ 27 = 8.148148148148149
8.148148148148149 x 100 = 814.81%