2994.44% is the change from 18 to 557
Calculation steps:
[( 557 - 18 ) ÷ 18] x 100 = 2994.44%
Formula
Percentage change = [(557 - 18) / 18] x 100
Subtract the new number by the original number
557 - 18 = 539
539 ÷ 18 = 29.944444444444443
29.944444444444443 x 100 = 2994.44%