49.83% is the change from 600 to 899
Calculation steps:
[( 899 - 600 ) ÷ 600] x 100 = 49.83%
Formula
Percentage change = [(899 - 600) / 600] x 100
Subtract the new number by the original number
899 - 600 = 299
299 ÷ 600 = 0.49833333333333335
0.49833333333333335 x 100 = 49.83%