2056.25% is the change from 16 to 345
Calculation steps:
[( 345 - 16 ) ÷ 16] x 100 = 2056.25%
Formula
Percentage change = [(345 - 16) / 16] x 100
Subtract the new number by the original number
345 - 16 = 329
329 ÷ 16 = 20.5625
20.5625 x 100 = 2056.25%