3381.25% is the change from 16 to 557
Calculation steps:
[( 557 - 16 ) ÷ 16] x 100 = 3381.25%
Formula
Percentage change = [(557 - 16) / 16] x 100
Subtract the new number by the original number
557 - 16 = 541
541 ÷ 16 = 33.8125
33.8125 x 100 = 3381.25%