1806.25% is the change from 16 to 305
Calculation steps:
[( 305 - 16 ) ÷ 16] x 100 = 1806.25%
Formula
Percentage change = [(305 - 16) / 16] x 100
Subtract the new number by the original number
305 - 16 = 289
289 ÷ 16 = 18.0625
18.0625 x 100 = 1806.25%