2533.33% is the change from 18 to 474
Calculation steps:
[( 474 - 18 ) ÷ 18] x 100 = 2533.33%
Formula
Percentage change = [(474 - 18) / 18] x 100
Subtract the new number by the original number
474 - 18 = 456
456 ÷ 18 = 25.333333333333332
25.333333333333332 x 100 = 2533.33%