2200% is the change from 27 to 621
Calculation steps:
[( 621 - 27 ) ÷ 27] x 100 = 2200%
Formula
Percentage change = [(621 - 27) / 27] x 100
Subtract the new number by the original number
621 - 27 = 594
594 ÷ 27 = 22
22 x 100 = 2200%
Example