3406.25% is the change from 16 to 561
Calculation steps:
[( 561 - 16 ) ÷ 16] x 100 = 3406.25%
Formula
Percentage change = [(561 - 16) / 16] x 100
Subtract the new number by the original number
561 - 16 = 545
545 ÷ 16 = 34.0625
34.0625 x 100 = 3406.25%