16450% is the change from 2 to 331
Calculation steps:
[( 331 - 2 ) ÷ 2] x 100 = 16450%
Formula
Percentage change = [(331 - 2) / 2] x 100
Subtract the new number by the original number
331 - 2 = 329
329 ÷ 2 = 164.5
164.5 x 100 = 16450%
Example