2296.3% is the change from 27 to 647
Calculation steps:
[( 647 - 27 ) ÷ 27] x 100 = 2296.3%
Formula
Percentage change = [(647 - 27) / 27] x 100
Subtract the new number by the original number
647 - 27 = 620
620 ÷ 27 = 22.962962962962962
22.962962962962962 x 100 = 2296.3%