4006.25% is the change from 16 to 657
Calculation steps:
[( 657 - 16 ) ÷ 16] x 100 = 4006.25%
Formula
Percentage change = [(657 - 16) / 16] x 100
Subtract the new number by the original number
657 - 16 = 641
641 ÷ 16 = 40.0625
40.0625 x 100 = 4006.25%