3506.25% is the change from 16 to 577
Calculation steps:
[( 577 - 16 ) ÷ 16] x 100 = 3506.25%
Formula
Percentage change = [(577 - 16) / 16] x 100
Subtract the new number by the original number
577 - 16 = 561
561 ÷ 16 = 35.0625
35.0625 x 100 = 3506.25%