2262.96% is the change from 27 to 638
Calculation steps:
[( 638 - 27 ) ÷ 27] x 100 = 2262.96%
Formula
Percentage change = [(638 - 27) / 27] x 100
Subtract the new number by the original number
638 - 27 = 611
611 ÷ 27 = 22.62962962962963
22.62962962962963 x 100 = 2262.96%