2205.56% is the change from 18 to 415
Calculation steps:
[( 415 - 18 ) ÷ 18] x 100 = 2205.56%
Formula
Percentage change = [(415 - 18) / 18] x 100
Subtract the new number by the original number
415 - 18 = 397
397 ÷ 18 = 22.055555555555557
22.055555555555557 x 100 = 2205.56%