4012.5% is the change from 16 to 658
Calculation steps:
[( 658 - 16 ) ÷ 16] x 100 = 4012.5%
Formula
Percentage change = [(658 - 16) / 16] x 100
Subtract the new number by the original number
658 - 16 = 642
642 ÷ 16 = 40.125
40.125 x 100 = 4012.5%
Example