2577.78% is the change from 18 to 482
Calculation steps:
[( 482 - 18 ) ÷ 18] x 100 = 2577.78%
Formula
Percentage change = [(482 - 18) / 18] x 100
Subtract the new number by the original number
482 - 18 = 464
464 ÷ 18 = 25.77777777777778
25.77777777777778 x 100 = 2577.78%