2418.75% is the change from 16 to 403
Calculation steps:
[( 403 - 16 ) ÷ 16] x 100 = 2418.75%
Formula
Percentage change = [(403 - 16) / 16] x 100
Subtract the new number by the original number
403 - 16 = 387
387 ÷ 16 = 24.1875
24.1875 x 100 = 2418.75%