2274.07% is the change from 27 to 641
Calculation steps:
[( 641 - 27 ) ÷ 27] x 100 = 2274.07%
Formula
Percentage change = [(641 - 27) / 27] x 100
Subtract the new number by the original number
641 - 27 = 614
614 ÷ 27 = 22.74074074074074
22.74074074074074 x 100 = 2274.07%