3131.25% is the change from 16 to 517
Calculation steps:
[( 517 - 16 ) ÷ 16] x 100 = 3131.25%
Formula
Percentage change = [(517 - 16) / 16] x 100
Subtract the new number by the original number
517 - 16 = 501
501 ÷ 16 = 31.3125
31.3125 x 100 = 3131.25%