2888.89% is the change from 18 to 538
Calculation steps:
[( 538 - 18 ) ÷ 18] x 100 = 2888.89%
Formula
Percentage change = [(538 - 18) / 18] x 100
Subtract the new number by the original number
538 - 18 = 520
520 ÷ 18 = 28.88888888888889
28.88888888888889 x 100 = 2888.89%