3968.75% is the change from 16 to 651
Calculation steps:
[( 651 - 16 ) ÷ 16] x 100 = 3968.75%
Formula
Percentage change = [(651 - 16) / 16] x 100
Subtract the new number by the original number
651 - 16 = 635
635 ÷ 16 = 39.6875
39.6875 x 100 = 3968.75%