3800% is the change from 18 to 702
Calculation steps:
[( 702 - 18 ) ÷ 18] x 100 = 3800%
Formula
Percentage change = [(702 - 18) / 18] x 100
Subtract the new number by the original number
702 - 18 = 684
684 ÷ 18 = 38
38 x 100 = 3800%
Example