16.5% is the change from 600 to 699
Calculation steps:
[( 699 - 600 ) ÷ 600] x 100 = 16.5%
Formula
Percentage change = [(699 - 600) / 600] x 100
Subtract the new number by the original number
699 - 600 = 99
99 ÷ 600 = 0.165
0.165 x 100 = 16.5%
Example