2348.15% is the change from 27 to 661
Calculation steps:
[( 661 - 27 ) ÷ 27] x 100 = 2348.15%
Formula
Percentage change = [(661 - 27) / 27] x 100
Subtract the new number by the original number
661 - 27 = 634
634 ÷ 27 = 23.48148148148148
23.48148148148148 x 100 = 2348.15%