1800% is the change from 27 to 513
Calculation steps:
[( 513 - 27 ) ÷ 27] x 100 = 1800%
Formula
Percentage change = [(513 - 27) / 27] x 100
Subtract the new number by the original number
513 - 27 = 486
486 ÷ 27 = 18
18 x 100 = 1800%
Example