3337.5% is the change from 16 to 550
Calculation steps:
[( 550 - 16 ) ÷ 16] x 100 = 3337.5%
Formula
Percentage change = [(550 - 16) / 16] x 100
Subtract the new number by the original number
550 - 16 = 534
534 ÷ 16 = 33.375
33.375 x 100 = 3337.5%
Example