2900% is the change from 16 to 480
Calculation steps:
[( 480 - 16 ) ÷ 16] x 100 = 2900%
Formula
Percentage change = [(480 - 16) / 16] x 100
Subtract the new number by the original number
480 - 16 = 464
464 ÷ 16 = 29
29 x 100 = 2900%
Example