3062.5% is the change from 16 to 506
Calculation steps:
[( 506 - 16 ) ÷ 16] x 100 = 3062.5%
Formula
Percentage change = [(506 - 16) / 16] x 100
Subtract the new number by the original number
506 - 16 = 490
490 ÷ 16 = 30.625
30.625 x 100 = 3062.5%
Example