2737.5% is the change from 16 to 454
Calculation steps:
[( 454 - 16 ) ÷ 16] x 100 = 2737.5%
Formula
Percentage change = [(454 - 16) / 16] x 100
Subtract the new number by the original number
454 - 16 = 438
438 ÷ 16 = 27.375
27.375 x 100 = 2737.5%
Example