29900% is the change from 2 to 600
Calculation steps:
[( 600 - 2 ) ÷ 2] x 100 = 29900%
Formula
Percentage change = [(600 - 2) / 2] x 100
Subtract the new number by the original number
600 - 2 = 598
598 ÷ 2 = 299
299 x 100 = 29900%
Example