1900% is the change from 27 to 540
Calculation steps:
[( 540 - 27 ) ÷ 27] x 100 = 1900%
Formula
Percentage change = [(540 - 27) / 27] x 100
Subtract the new number by the original number
540 - 27 = 513
513 ÷ 27 = 19
19 x 100 = 1900%
Example