974.07% is the change from 27 to 290
Calculation steps:
[( 290 - 27 ) ÷ 27] x 100 = 974.07%
Formula
Percentage change = [(290 - 27) / 27] x 100
Subtract the new number by the original number
290 - 27 = 263
263 ÷ 27 = 9.74074074074074
9.74074074074074 x 100 = 974.07%