3793.75% is the change from 16 to 623
Calculation steps:
[( 623 - 16 ) ÷ 16] x 100 = 3793.75%
Formula
Percentage change = [(623 - 16) / 16] x 100
Subtract the new number by the original number
623 - 16 = 607
607 ÷ 16 = 37.9375
37.9375 x 100 = 3793.75%