2962.5% is the change from 16 to 490
Calculation steps:
[( 490 - 16 ) ÷ 16] x 100 = 2962.5%
Formula
Percentage change = [(490 - 16) / 16] x 100
Subtract the new number by the original number
490 - 16 = 474
474 ÷ 16 = 29.625
29.625 x 100 = 2962.5%
Example