2827.78% is the change from 18 to 527
Calculation steps:
[( 527 - 18 ) ÷ 18] x 100 = 2827.78%
Formula
Percentage change = [(527 - 18) / 18] x 100
Subtract the new number by the original number
527 - 18 = 509
509 ÷ 18 = 28.27777777777778
28.27777777777778 x 100 = 2827.78%