2112.5% is the change from 16 to 354
Calculation steps:
[( 354 - 16 ) ÷ 16] x 100 = 2112.5%
Formula
Percentage change = [(354 - 16) / 16] x 100
Subtract the new number by the original number
354 - 16 = 338
338 ÷ 16 = 21.125
21.125 x 100 = 2112.5%
Example