2118.75% is the change from 16 to 355
Calculation steps:
[( 355 - 16 ) ÷ 16] x 100 = 2118.75%
Formula
Percentage change = [(355 - 16) / 16] x 100
Subtract the new number by the original number
355 - 16 = 339
339 ÷ 16 = 21.1875
21.1875 x 100 = 2118.75%