3106.25% is the change from 16 to 513
Calculation steps:
[( 513 - 16 ) ÷ 16] x 100 = 3106.25%
Formula
Percentage change = [(513 - 16) / 16] x 100
Subtract the new number by the original number
513 - 16 = 497
497 ÷ 16 = 31.0625
31.0625 x 100 = 3106.25%